Tests with a fake db

Still not fully working, but something does.
Trying to understand Tracking
Lookin' at a Tutorial
Tests with tracker
Tracker doing an awful tracking but doing it.
Merge branch 'master' into understanding

Conflicts:
	dbg/keypoints_sample/Aragorn6.jpg
	dbg/keypoints_sample/Aragorn7.jpg
	dbg/keypoints_sample/Aragorn8.jpg
	dbg/keypoints_sample/Aragorn9.jpg
	dbg/keypoints_sample/box.jpg
	dbg/keypoints_sample/mail.png
	dbg/output_sample/Label0.jpg
	src/IStuff/database.cpp
	src/IStuff/object.cpp
	src/main.cpp
Merge pull request #3 from MORZorg/understanding

Understanding