add hint to email field on edit profile page
Merge pull request #306 from georgebejan/master

add warning message to email field on person edit page
Added pretty_address to group as an alias. Fixes #298.
Add help link to Readme - #311
Merge pull request #312 from stephanvd/groups_pretty_address

Added pretty_address to group as an alias. Fixes #298.
Merge pull request #313 from x-light/add_help_details_311

Add help link to Readme - #311