Square detection methodes toegevoegd
average colour and fix for average filtered colour
gridelement with multiple characteristics

characteristic now has a weight to more accurately reflect the output of
the SVM
populateCharacteristics

TODO for SVM-team
Code voor filmpje af te spelen en square detection te doen.
Code compiles again
+ you can interrupt video with keypress
debug text on video
Merge branch 'svmtest'

Conflicts:
	src/blindtastic_core.h
	src/main.cpp
Moved text printing to own function
Main method accepts file from argument
Renamed some stuff and put some other stuff in their own method
Removed 'static' from functions

I don't think it does what you think it does.
If there WAS a valid reason, put it back :)
Made training more visually entertaining

The entire frame is now shown, with the ROI highlighted.
Instructions will appear on screen, and your input will be visually
confirmed. Unless you're colourblind, then you're fucked.