added first pass at style check in Makefile
added info about make style in developing.rst
cleanup
making it look nicer
added SOURCES field in makefile, specific folder checking
Merge branch 'release_0.6.2' of https://github.com/Yelp/Tron into jrm_make_style_check
cleanup to fix pyflakes errors
fixed serviceinstance_test
added unit test for get_by_name
Merge pull request #261 from Codeacious/jrm_make_style_check

A simple Makefile task for PEP8/PyFlakes checking