fixes to comments and docstrings, marking SourceForge and Google Code as abandoned backends
merge conflict re redmine docstring
pep8
pep8 for github backend
pep8 with bugzilla backend
minor grammar fixes for comments in bg
mention dateutil and launchpadlib in docs
pep8 for several backends
whitespace fixes to several files
pep8 fixes to backends
Merge branch 'pep8' of git://github.com/brainwane/Bicho into brainwane-pep8

Conflicts:
	Bicho/backends/redmine.py