fixed db:migate error in postgres
Merge pull request #168 from jsh-c/CreateActivitiesTable

fixed db:migate error in postgres
update testapp schema
Updated the .travis.yml to test both rails 3.2.0 and 3.2.14, which is the latest in the 3.2 series.
fix mass assignment when sending invitation
fix invitation tests
update changelog
add pending comments and spam/ham moderation
changelog
update clipping.rb with attr accessible
don't record an activity if comment is pending
t
add authorizations controller test
fix typo
fix failing authorization test
fix typo in tags string
capitalize age requirement error message
update link in readme
fix pending and published comment notifications
fix _sent message partial