Add 'make flake8' step and docs on code quality

Author: timvaillancourt

Makefile

@@ -22,6 +22,10 @@ install: bin/mongodb-consistent-backup
 	install -m 0644 LICENSE $(SHAREDIR)/$(NAME)/LICENSE
 	install -m 0644 README.rst $(SHAREDIR)/$(NAME)/README.rst
 
+flake8:
+	# Ignore long-lines and space-aligned = and : for now
+	flake8 --ignore E221,E241,E501 $(PWD)/$(NAME)
+
 uninstall:
 	rm -f $(BINDIR)/mongodb-consistent-backup
 	rm -rf $(SHAREDIR)/$(NAME)

README.rst

@@ -218,6 +218,12 @@ Roadmap
 -  Documentation for running under Docker with persistent volumes
 -  Python unit tests
 
+Submitting Code
+~~~~~~~~~~~~~~~
+
+-  Submitted code must pass Python `'flake8' <https://pypi.python.org/pypi/flake8>`__ checks. Run *'make flake8'* to test.
+-  To make review easier pull requests must address and solve a one problem at a time.
+
 Links
 ~~~~~