Convert methods from GL implementation to their equivalent in GLES.
Comment GL methods that do not have their equivalent in GLES.
Add the VideoSource euivalent for Android to get frame from the camera.
Also rename some files to better describe their use.
Add a folder containing the files coded last year to adapt PTAM for ECN's model.
Add the documentation created by the INVIR group that worked on the desktop version.
Also delete two unused header (since X11 is not supported by Android).
Comment all the problematic lines, in this version the project run.
You should uncomment the line one by one to fix remaining bugs.
Merge branch 'master' of https://github.com/jparty/PTAM.git