Also make long variables more readable by splitting them
up into shorter ones.

Also fix some CSS for Firefox.

A bit bugged though ...

 * escapeHTML(everything)
 * curly braces for if
 * camelcase function_to_call
 * add missing semicolae (?)

Fix #2557 and make the whole code more usable.

CSS comments don't work like that.

Especially at user without "" PostgreSQL likes to fail.

This is important in the Active Directory case where users are
currently getting a GUID in the From field, making emails look quite a
lot like spam.

highlight groups with markup (bold font) instead of "(group)" postfix

ref owncloud/core#173