Initial pass at private comments.
Committing missed files
ok to show reply publicly (asks to log in), fix for private permission
turned off private checkbox for now
added comment about meaning of visible states
added anonymous user comment
removed commented-out import
various comments and such re: Mitchell's review requests
moved contact stuff into project handler and view files etc.
better way to have reply present to non-logged in
code review clean up
adlphabetical order, fine
fixed order for the approve entry
Merge pull request #16 from wolftune/privacy

Privacy stuff (not full but just to enable /contact for now)
rethread notifications and project feed events
clean up Model/Comment/ActionPermissions.hs
fully render comment links in edited flagged comment notification
removed target attr from project contact form
removed TODOs, brought back contact links on homepage
updated the TODO (for whoever, some volunteer maybe)