fix the older mirage libraries with upper bounds
tuareg: add emacs depext (not installed by default in ubuntu any more)
restrict older frama-c versions to the ocaml <4.01.0
speex; add depext
parmap depext on autoconf (ubuntu trusty fails)
iocaml-kernel depends on older Ctypes due to Array->CArray change

See andrewray/iocaml#20
Merge pull request #2117 from avsm/master

parmap depext on autoconf (ubuntu trusty fails)
Merge pull request #2116 from avsm/depext-for-speex

speex; add depext
Merge pull request #2114 from avsm/emacs-depext

tuareg: add emacs depext (not installed by default in ubuntu any more)
Merge pull request #2115 from avsm/frama-c-versions

restrict older frama-c versions to the ocaml <4.01.0
add depexts to theora
Merge pull request #2119 from avsm/theora-depext

add depexts to theora
add depexts for scrypt
add source depext for nanomsg
Merge pull request #2122 from avsm/depext-scrypt

add depexts for scrypt
Merge pull request #2123 from avsm/depext-nanomsg

add source depext for nanomsg
Add gdal 0.3.0 (ctypes update)
Try using a PPA rather than building from source
Fix gist URL
Merge pull request #2124 from hcarty/gdal-0.3.0

Add gdal 0.3.0 (ctypes update)