Fix message submission with the 'Send' button

Signed-off-by: Max Fierke <max@maxfierke.com>
Fix incorrect "Me" label nesting in clients list.

Signed-off-by: Max Fierke <max@maxfierke.com>
Use ngBind, ngSrc, and ngHref to prevent the "flash of content" issue.

Signed-off-by: Max Fierke <max@maxfierke.com>
Fix scroll to bottom on message load.

Signed-off-by: Max Fierke <max@maxfierke.com>