Update README and LICENSE
Disable every login backend other than Facebook
Default pagination size
change the main page image
Merge pull request #18 from stray-leone/master

change the main page image
Meinheld as default standalone webserver

- Meinheld is much faster than flask's default.
- It's reported as even faster than gevent+uwsgi.
  http://www.techempower.com/benchmarks/#section=data-r7&hw=i7&test=query
Merge branch 'feed' into dev

Conflicts:
	messages.pot
	requirements.txt
	translations/ko/LC_MESSAGES/messages.mo
	translations/ko/LC_MESSAGES/messages.po
Merge branch 'login'
Merge branch 'master' into dev