Merge pull request #11 from yosefm/master

New TODO items
Initial import of python bindings for some of liboptv.
Test the Target and TargetArray classes.
Merge pull request #12 from yosefm/cmake_submission

Build and test with CMake
Merge branch 'master' into py_bind
Add README to Python bindings.
Merge branch 'py_bind' of github.com:yosefm/openptv