added migration to rename updates to project_posts
renamed files that used update in its name to proper name based on ProjectPost
model refactoring renaming updates to project_posts
observer refactoring renaming updates to project_posts
controller refactoring renaming updates to project_posts
policy refactoring renaming updates to project_posts
fixed factories renaming updates to project_posts
refactoring javascripts renaming updates to project_posts
finishing renaming of updates to project_posts, views, styles, locales and remaining configs
more stylesheet fixes
fixed Unsubscribe model spec
Merge pull request #757 from diogob/rename_update_to_project_post

Rename update to project post