rebuilding eventteams from team pages also removes bad eventteams
add pep8 linter pre-commit hook. fixes #198
add paver command for linting, split linter from pre-commit ohok
merging
remove extra var
only delete eventteams if event is over
Merge branch 'master' into eventteams-rebuild
Merge pull request #684 from chrismarra/master

Fix sig image error on first generation
catch error if pep8 is not installed
Initial user account support
set test_event_manip test maxDiff to None
Merge branch 'master' into linter
Initial user account support
Merge branch 'accounts' of https://github.com/synth3tk/the-blue-alliance into accounts
Merge pull request #681 from fangeugene/linter

PEP8 Pre-commit hook
catch error if tweet parsing fails
Merge branch 'master' into eventteams-rebuild
put event team updater in helper
Moved/renamed "greeting" to "display_name" prop
Replace print statement with `warnings.warn`.

Also so that it doesn't need to be converted for Python3 compat.