typo
switch to OpenCV 2.4.7
update overview target

add pix_opencv_facetracker and some funny things
build against Gem-0.93.3
indentation
Merge branch 'master' of https://github.com/avilleret/pix_opencv
Merge branch 'master' of https://github.com/avilleret/pix_opencv
Merge branch 'master' of https://github.com/avilleret/pix_opencv
update help patch

WARNING CR to CRLF conversion