Adding maven dependencies for Jgravatar library.
Adding main Gravatar components and updating User class to include getInitials() method for generating icons. For Issue:105
Fixing formatting
Adding Gravatars to Issue pages where usernames are referenced. For Issue:105
Adding Gravatars to Docs pages where usernames are referenced. For Issue:105
Adding Gravatars to Account and Activity pages where usernames are referenced. For Issue:105
Updating events for Issue:105
Adding Gravatars to Milestone pages where usernames are referenced. For Issue:105
Adding "Add me to watchers" checkbox to resolve Issue:103.
Fixing formatting and adding copyright
Making user be able to select if they always want to watch their own issues or not
Fixing earlier commit where changes were wrongly deleted.
Changing preference name and removing commented out code
Adding Gravatars to pages where usernames are referenced, for Issue:105.
No hover-over tips indicating the user's full name.
Fixing formatting
Adding correct Maven dependencies for Issue:105.
Adding Gravatars to all places where usernames are references. User can toggle if they want to use their gravatar. For Issue:105
Tidying up GravatarLinkPanel and fixing rendering of AddAccountEvent.
Adding Gravatars to show who has uploaded attachments
Making Gravatars work without the page parameter of each of the CommentPanels