start #21 - ask for user:email
fixes #21 - save email from GitHub API to user
test #21 - sign-up receiver adds email to user
more tests for #21 - non-primary and un-verified emails
more #21 - disable regular account signup
fix pep8 and pyflakes violations and enforce with travis
Merge pull request #55 from jsatt/pep8

fix pep8 and pyflakes violations and enforce with travis
fix #21 - enable social signup in place of account
test #21 - test other branch of validation logic
update requirements (DRF, DRF-swagger)
Merge pull request #56 from groovecoder/update-requirements-2014-11-09

update requirements (DRF, DRF-swagger)
move flake8 config to tox.ini for easier running
use tox for tests, styles, docs, & coverage
combine coverage and testenv to save time
ignore Mac & setup output files
Merge pull request #59 from groovecoder/flake8-config-in-tox

use tox for tests, flake8 styles, docs, and coverage
Merge pull request #48 from groovecoder/get-email-from-github-21

fix #21 - Get email from github