Adds option to disable CMake package exporting.
Set Pangolin_DIR for examples.

- Otherwise, it might not use the correct Pangolin or it won't find it
  if we don't export the package.
Added support for 'size' parameter for v4l video.
Merge pull request #2 from dgossow/master

Added support for 'size' parameter for v4l video.
Fix VBO example to use glvbo.h which correctly unbinds colour pointer. Thanks Pinglin.
Toward boost independence. Temporarily introduce Var mem leak - needs to be fixed.
Mostly working without boost.
Fix ToLowerCopy/ToUpperCopy bug effecting video recording.
Remove unused panel variable.
Remove temporarily var memory leak.
Merge branch 'master' of github.com:gwu-robotics/Pangolin
added libdc1394 format support check
1. Add video format7 support check. 2. Add Bspline example.