added blob_dog
doctest
added test_blob
doc string
typo
threshold
Changed formula, this improves detected size accuracy
Made get_local_maxima_3d public
It also takes connectivity as a paramater now
changed params and functionality of get_local_maxima
added get_local_maxima to feature
removed get_local_maxima, now using peak_local_max
rectified __all__
added names in CONTRIBUTIRS.txt
Merge pull request #903 from vighneshbirodkar/dog

Blob Detection (DoG)