Fix: check for log in before allowing an edit post
Change comments to be inline rather than multiline
Add scenarios to .feature for lettuce tests
Add steps.py for lettuce tests.  Code changes required for journal.py
Add twitter scenario
Add twitter button tests; change assertion messages for clarity
Change logged in user scenario to use an authenticated user instead of anonymous
Add security to /add and /edit views
Remove commented out line
Merge remote-tracking branch 'origin/add_edit'