Add user comment rating and info

Add visual rating indicator to user comment list. Add toggle to show date and comment details.
Add classes for user comment detail changes

Add UserViewCommentDetails and UserViewCommentDetailsHideControl classes to control presence of additional user comment details.
Merge branch 'master' of https://github.com/RileyMajor/joind.in
CSS for pointer on link hover, spacing
Merge branch 'userview_commentdetails'