diff --git a/.gitignore b/.gitignore
index 2a1a55db..4309bcfa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,5 @@
 /gits/
 /log*/
 /pkg
-/versions.json
 /wip/
 /tmp-*
diff --git a/versions.json b/versions.json
new file mode 100644
index 00000000..d0102e97
--- /dev/null
+++ b/versions.json
@@ -0,0 +1,374 @@
+{
+    "a52dec": "0.7.4",
+    "agg": "2.5",
+    "alure": "1.2",
+    "apr": "1.5.2",
+    "apr-util": "1.5.4",
+    "armadillo": "4.550.1",
+    "assimp": "3.1.1",
+    "atk": "2.14.0",
+    "atkmm": "2.22.7",
+    "aubio": "0.4.1",
+    "autoconf": "2.69",
+    "automake": "1.14.1",
+    "bfd": "2.25",
+    "binutils": "2.25",
+    "bison": "2.7.1",
+    "blas": "1",
+    "boost": "1.57.0",
+    "box2d": "2.3.0",
+    "bullet": "2.82-r2704",
+    "bzip2": "1.0.6",
+    "cairo": "1.14.2",
+    "cairomm": "1.11.2",
+    "cblas": "1",
+    "ccfits": "2.4",
+    "cegui": "0.7.9",
+    "cfitsio": "3370",
+    "cgal": "4.5",
+    "check": "0.9.14",
+    "chipmunk": "6.2.2",
+    "chromaprint": "1.1",
+    "cmake": "3.0.2",
+    "cminpack": "1.3.4",
+    "coreutils": "8.23",
+    "cppunit": "1.13.2",
+    "crystalhd": "1",
+    "cunit": "2.1-3",
+    "curl": "7.43.0",
+    "dbus": "1.9.16",
+    "dcmtk": "3.6.0",
+    "devil": "1.7.8",
+    "dlfcn-win32": "1.0.0",
+    "eigen": "3.2.2",
+    "exiv2": "0.24",
+    "expat": "2.1.0",
+    "faad2": "2.7",
+    "fdk-aac": "0.1.4",
+    "ffmpeg": "2.7",
+    "fftw": "3.3.4",
+    "file": "5.23",
+    "flac": "1.3.1",
+    "flann": "1.8.4",
+    "flex": "2.5.39",
+    "fltk": "1.3.3",
+    "fontconfig": "2.11.1",
+    "freeglut": "2.8.1",
+    "freeimage": "3.15.4",
+    "freetds": "0.95.8",
+    "freetype": "2.6",
+    "freetype-bootstrap": "2.6",
+    "fribidi": "0.19.6",
+    "ftgl": "2.1.3~rc5",
+    "gc": "7.2e",
+    "gcc": "5.1.0",
+    "gcc-gmp": "6.0.0",
+    "gcc-isl": "0.14",
+    "gcc-mpc": "1.0.2",
+    "gcc-mpfr": "3.1.3",
+    "gd": "2.1.0",
+    "gdal": "1.11.2",
+    "gdb": "7.9.1",
+    "gdk-pixbuf": "2.30.8",
+    "gendef": "4.0.2",
+    "geos": "3.4.2",
+    "gettext": "0.19.4",
+    "giflib": "5.0.5",
+    "glew": "1.12.0",
+    "glfw2": "2.7.9",
+    "glfw3": "3.1",
+    "glib": "2.42.1",
+    "glibmm": "2.42.0",
+    "gmp": "6.0.0",
+    "gnutls": "3.4.2",
+    "gperf": "3.0.4",
+    "graphicsmagick": "1.3.21",
+    "gsl": "1.16",
+    "gsoap": "2.8.22",
+    "gst-plugins-base": "1.4.4",
+    "gst-plugins-good": "1.4.4",
+    "gstreamer": "1.4.4",
+    "gta": "1.0.7",
+    "gtk2": "2.24.22",
+    "gtkglarea": "2.0.1",
+    "gtkglext": "1.2.0",
+    "gtkglextmm": "1.2.0",
+    "gtkimageview": "1.6.4",
+    "gtkmm2": "2.24.4",
+    "gtksourceview": "2.10.5",
+    "gtksourceviewmm2": "2.10.3",
+    "guile": "1.8.8",
+    "harfbuzz": "0.9.41",
+    "hdf4": "4.2.10",
+    "hdf5": "1.8.12",
+    "hunspell": "1.3.3",
+    "icu4c": "54.1",
+    "id3lib": "3.8.3",
+    "ilmbase": "2.2.0",
+    "imagemagick": "6.9.0-0",
+    "intltool": "0.50.2",
+    "isl": "0.14",
+    "itk": "4.4.1",
+    "jack": "1.9.10",
+    "jansson": "2.7",
+    "jasper": "1.900.1",
+    "jpeg": "9a",
+    "json-c": "0.12",
+    "json_spirit": "4.08",
+    "lame": "3.99.5",
+    "lapack": "3.5.0",
+    "lcms": "2.7",
+    "lcms1": "1.19",
+    "lensfun": "0.3.0",
+    "levmar": "2.6",
+    "libaacs": "0.7.1",
+    "libarchive": "3.1.2",
+    "libass": "0.12.1",
+    "libbluray": "0.7.0",
+    "libbs2b": "3.1.0",
+    "libcaca": "0.99.beta19",
+    "libcdio": "0.93",
+    "libcdio-paranoia": "10.2+0.93+1",
+    "libcroco": "0.6.2",
+    "libdca": "0.0.5",
+    "libdnet": "1.11",
+    "libdvbpsi": "1.2.0",
+    "libdvdcss": "1.3.0",
+    "libdvdnav": "5.0.1",
+    "libdvdread": "5.0.0",
+    "libepoxy": "1.2",
+    "libevent": "2.0.21",
+    "libf2c": "1",
+    "libffi": "3.2.1",
+    "libftdi": "0.20",
+    "libftdi1": "1.2",
+    "libgcrypt": "1.6.3",
+    "libgda": "4.2.13",
+    "libgdamm": "4.1.3",
+    "libgee": "0.5.0",
+    "libgeotiff": "1.4.0",
+    "libglade": "2.6.4",
+    "libgnurx": "2.5.1",
+    "libgomp": "5.1.0",
+    "libgpg_error": "1.19",
+    "libgsasl": "1.8.0",
+    "libgsf": "1.14.30",
+    "libharu": "2.2.1",
+    "libiberty": "2.25",
+    "libical": "1.0.1",
+    "libiconv": "1.14",
+    "libidn": "1.30",
+    "libircclient": "1.8",
+    "liblaxjson": "1.0.3",
+    "liblo": "0.28rc",
+    "liblqr-1": "0.4.2",
+    "libltdl": "2.4.4",
+    "libmad": "0.15.1b",
+    "libmicrohttpd": "0.9.38",
+    "libmikmod": "3.3.7",
+    "libmng": "2.0.3",
+    "libmodplug": "0.8.8.4",
+    "libmpcdec": "1.2.6",
+    "libntlm": "1.4",
+    "liboauth": "1.0.3",
+    "libodbc++": "0.2.5",
+    "liboil": "0.3.17",
+    "libpano13": "2.9.18",
+    "libpaper": "1.1.24+nmu4",
+    "libpng": "1.6.17",
+    "librsvg": "2.40.5",
+    "librtmp": "a1900c3",
+    "libsamplerate": "0.1.8",
+    "libshout": "2.3.1",
+    "libsigc++": "2.4.0",
+    "libsndfile": "1.0.25",
+    "libssh2": "1.6.0",
+    "libtool": "2.4.4",
+    "libunistring": "0.9.4",
+    "libusb": "1.2.6.0",
+    "libusb1": "1.0.19",
+    "libvpx": "1.4.0",
+    "libwebp": "0.4.2",
+    "libwebsockets": "1.3-chrome37-firefox30",
+    "libxml++": "2.37.2",
+    "libxml2": "2.9.2",
+    "libxslt": "1.1.28",
+    "libzip": "0.11.2",
+    "llvm": "3.4",
+    "log4cxx": "0.10.0",
+    "lua": "5.3.1",
+    "luabind": "0.9.1",
+    "luajit": "2.0.4",
+    "lzo": "2.08",
+    "m4": "1.4.17",
+    "make": "4.1",
+    "matio": "1.5.2",
+    "mdbtools": "0.7.1",
+    "mingw-w64": "4.0.2",
+    "minizip": "0b46a2b",
+    "mman-win32": "378ed6b69bb7220511dd9cd0973c22b3f6773ce7",
+    "mpc": "1.0.2",
+    "mpfr": "3.1.3",
+    "mpg123": "1.21.0",
+    "muparser": "2.2.3",
+    "mxml": "2.9",
+    "ncurses": "e14300b",
+    "netcdf": "4.3.0",
+    "netpbm": "10.35.96",
+    "nettle": "3.1",
+    "nlopt": "2.4.2",
+    "nsis": "2.46",
+    "ocaml-cairo": "1.2.0",
+    "ocaml-camlimages": "4.0.1",
+    "ocaml-core": "4.00.1",
+    "ocaml-findlib": "1.4",
+    "ocaml-flexdll": "0.31",
+    "ocaml-lablgl": "1.05",
+    "ocaml-lablgtk2": "2.16.0",
+    "ocaml-native": "4.00.1",
+    "ocaml-xml-light": "2.2",
+    "oce": "0.16.1",
+    "ogg": "1.3.2",
+    "old": "0.17",
+    "openal": "1.16.0",
+    "openblas": "0.2.12",
+    "opencore-amr": "0.1.3",
+    "opencsg": "1.4.0",
+    "opencv": "2.4.10",
+    "openexr": "2.1.0",
+    "openjpeg": "2.1.0",
+    "openmp-validation": "3.1",
+    "openscenegraph": "3.2.1",
+    "openssl": "1.0.2c",
+    "opus": "1.1",
+    "opusfile": "0.6",
+    "pango": "1.36.1",
+    "pangomm": "2.34.0",
+    "pcl": "1.7.2",
+    "pcre": "8.37",
+    "pdcurses": "3.4",
+    "pdflib_lite": "7.0.5p3",
+    "pfstools": "2.0.0",
+    "physfs": "2.0.3",
+    "picomodel": "1142ad8",
+    "pixman": "0.31.2",
+    "pkgconf": "da179fd",
+    "plib": "1.8.5-rc1",
+    "plibc": "cd7ed09",
+    "plotmm": "0.1.2",
+    "plotutils": "2.6",
+    "poco": "1.4.7p1",
+    "polarssl": "1.3.9",
+    "poppler": "0.30.0",
+    "popt": "1.16",
+    "portablexdr": "4.9.1",
+    "portaudio": "19_20140130",
+    "portmidi": "217",
+    "postgresql": "9.2.4",
+    "primesieve": "5.4.1",
+    "proj": "4.8.0",
+    "protobuf": "2.5.0",
+    "pthreads": "POSIX 1003.1-2001",
+    "qdbm": "1.8.78",
+    "qjson": "0.8.1",
+    "qscintilla2": "2.8.4",
+    "qt": "4.8.7",
+    "qt3d": "bcdbf04b74cc7ded4d7b2471347f51b54ff8584b",
+    "qt5": "5.4.2",
+    "qtactiveqt": "5.4.2",
+    "qtbase": "5.4.2",
+    "qtconnectivity": "5.4.2",
+    "qtdeclarative": "5.4.2",
+    "qtenginio": "5.4.2",
+    "qtgraphicaleffects": "5.4.2",
+    "qtimageformats": "5.4.2",
+    "qtlocation": "5.4.2",
+    "qtmultimedia": "5.4.2",
+    "qtquick1": "5.4.2",
+    "qtquickcontrols": "5.4.2",
+    "qtscript": "5.4.2",
+    "qtsensors": "5.4.2",
+    "qtserialport": "5.4.2",
+    "qtserialport_qt4": "5.4.2",
+    "qtservice": "25e2cbb",
+    "qtsvg": "5.4.2",
+    "qtsystems": "37b614a",
+    "qttools": "5.4.2",
+    "qttranslations": "5.4.2",
+    "qtwebchannel": "5.4.2",
+    "qtwebengine": "5.4.2",
+    "qtwebkit": "5.4.2",
+    "qtwebsockets": "5.4.2",
+    "qtwinextras": "5.4.2",
+    "qtxlsxwriter": "ad90b6a2c21b300138ceb9fe9030a5917230f92d",
+    "qtxmlpatterns": "5.4.2",
+    "qwt": "6.1.1",
+    "qwt_qt4": "6.1.1",
+    "qwtplot3d": "0.2.7",
+    "readline": "6.3",
+    "rubberband": "1.8.1",
+    "rucksack": "3.1.0",
+    "sdl": "1.2.15",
+    "sdl2": "2.0.3",
+    "sdl2_gfx": "1.0.1",
+    "sdl2_image": "2.0.0",
+    "sdl2_mixer": "2.0.0",
+    "sdl2_net": "2.0.0",
+    "sdl2_ttf": "2.0.12",
+    "sdl_gfx": "2.0.25",
+    "sdl_image": "1.2.12",
+    "sdl_mixer": "1.2.12",
+    "sdl_net": "1.2.8",
+    "sdl_pango": "0.1.2",
+    "sdl_rwhttp": "0.2.0",
+    "sdl_sound": "1.0.3",
+    "sdl_ttf": "2.0.11",
+    "sed": "4.2.2",
+    "sfml": "2.1",
+    "smpeg": "0.4.5+cvs20030824",
+    "smpeg2": "2.0.0",
+    "sox": "14.4.2",
+    "speex": "1.2rc2",
+    "sqlite": "3081002",
+    "suitesparse": "4.2.1",
+    "t4k_common": "0.1.1",
+    "taglib": "1.7.2",
+    "teem": "1.11.0",
+    "termcap": "1.3.1",
+    "theora": "1.1.1",
+    "tiff": "4.0.4",
+    "tinyxml": "2.6.2",
+    "tinyxml2": "2.2.0",
+    "tre": "0.8.0",
+    "twolame": "0.3.13",
+    "vamp-plugin-sdk": "2.5",
+    "vcdimager": "0.7.24",
+    "vidstab": "0.98b",
+    "vigra": "1.9.0",
+    "vmime": "3dd5975",
+    "vo-aacenc": "0.1.3",
+    "vo-amrwbenc": "0.1.3",
+    "vorbis": "1.3.5",
+    "vtk": "5.8.0",
+    "vtk6": "6.1.0",
+    "wavpack": "4.70.0",
+    "wget": "1.16.3",
+    "widl": "4.0.2",
+    "winpcap": "4_1_3",
+    "winpthreads": "4.0.2",
+    "wt": "3.3.1",
+    "wxwidgets": "3.0.2",
+    "x264": "20141130-2245",
+    "xapian-core": "1.2.19",
+    "xerces": "3.1.2",
+    "xine-lib": "1.2.6",
+    "xmlrpc-c": "d4364f4",
+    "xmlwrapp": "0.7.0",
+    "xorg-macros": "1.19.0",
+    "xvidcore": "1.3.3",
+    "xz": "5.2.1",
+    "yasm": "1.3.0",
+    "zlib": "1.2.8",
+    "zziplib": "0.13.62",
+    "": null
+}