all features implemented. this version of the software is ready for t…

…he presentation

first working version of the GazeBrowser. the following functionaliti…

…es are implemented:

 - track the users pupil and the glints
 - calibration the gaze tracking
 - browse forward / backward
 - scroll up and down
 - open links on the overview screen

still todo:
 - open links from the link-overview page
 - refactor the threading

threading and new haar cascades. last version before we push the new …

…glint algorithms

latest "stable" version before we merged the threading branch

Santa edition. Before refactoring