update package vmime
package qtbase: cherry-pick upstream sql fixes

Qt 5.0.2 should be out one of these days anyway, but in the meantime
it's nice to have these fixed.
update package sqlite
update package libgcrypt
json-c downloads have moved to Amazon S3 (see https://github.com/json-c/json-c/issues/72)
Merge pull request #160 from residuum/master

Official json-c downloads have moved
add package opencv

OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning software library.

See more: http://opencv.org/about.html
Merge pull request #164 from lsaavedr/add_opencv

add package opencv
Mention mxe-octave in the docs
Merge branch 'stable'
package opencv: disable gtk, gstreamer, and xine since they are unix only
package lua: add pkg-config file
package libssh2:replace deprectaed AM_CONFIG_HEADER with
 AC_CONFIG_HEADERS
package json-c: replace deprectaed AM_CONFIG_HEADER with
AC_CONFIG_HEADERS
package hdf5: automake 1.13 requires an m4 directory
Merge branch 'master' into multi-rebase