initial depthbuilder commit
iterative triangulation method implementation
#44 some comments about algorithm added
triangulation moved to separate class, empty tests
temp
#44 opt.flow storage class impl
#44 depth builder for two images start implementation
#44 ready. need tests
#44 styleguide fix
#44 camera and projective matrices computing impl
#44 camera properties unittest added
Merge branch 'master' into wp/44/1

Conflicts:
	CMakeLists.txt
#44 small cmake file fix
#44 styleguide fixes
#44 depth map build method moved to DepthMap class
#44 small styleguide fix
#44 unique ptr usage
#44 removed quaternion from cmake file
Merge branch 'wp/44/2' into wp/44/1

Conflicts:
	core/depth_map_builder.cc
#44 optical flow class removed