Add lookAt logic
Add frustum mock
remove old files
Merge remote-tracking branch 'origin/master'

Conflicts:
	assignment02/assignment02/.anjuta_sym_db.db
	assignment02/assignment02/assignment
	assignment02/assignment02/assignment.cpp
	assignment02/assignment02/assignment.cpp~
	assignment02/assignment02/assignment.o
	assignment02/glloadgen/KHR_debug_emulator.o
	assignment02/glloadgen/gl_core_32.o
remove petr folder