use current_user everywhere
Merge branch 'enhance/login'

Conflicts:
	tweetmatch/twitter.py
	tweetmatch/views.py
cleanup merge
Merge branch 'charactermessages'
fix #17
fix #11 ?
Merge branch 'import_tweets'
generate challenges for #2. This update breaks the database schema
fix #2
yoda
ensure the challenge is between distinct people.
redirect to the current page or challenge (or whatever) after loading tweets
Merge branch 'generatechallenges' into charactermessages
use character strings for guess results