Carousel: do_action documentation first pass
Comments: do_action docs added. First pass
Contact Forms: do_action docs. Initial pass
Contact Forms: Additional do_action docs
Custom CSS: do_action docs. Initial pass
Sharing: do_action docs first pass
Hook doc updates per @rase-
Removing dash (-) from phpdoc comments
Merge pull request #1045 from jeherve/hook-docs

Adding documentation for some hooks in Jetpack