added .DS_Store to .gitignore
Demo code for detecting circles in images.
Add feature_homography.py

May want to look at this code.
https://www.youtube.com/watch?v=FirtmYcC0Vc
initial version of a trained flower detector
Merge branch 'master' of https://github.com/Aardevarken/LuminousMossBosses
Merge branch 'master' of https://github.com/Aardevarken/LuminousMossBosses into brian
added a makefile