Merge branch 'front_end' into emails_final
Clean up tests
Add a note about Carrierwave deprecation
Each update on projects#show
Rename views#index to views#show
Some data for updates#show
Fix Reply#process_response and add tests.
Rename Update model to ProjectUpdate to avoid method naming conflicts.
Add Update#title, Reply#user, Reply#nested_replies.
Add private key generation for Reply/ProjectUpdate. Response#determine_association WIP.
Response#set_association
Bug fixes, passing tests.
Add validations for ProjectUpdate and Reply.
ReplyMailer and ProjectMailer tests
Replies Digest - and test
ReplyMailer#projects_update_reminder
Prevent duplicate responses for a reply or project update.
Add link to updates page in emails asking for reply.
Only show replies with content.
WIP - Add Reply form to ProjectUpdates#show