Remove static navigation from login page
fix encoding for category excerpt
fix missing secure category topics in categories page
fix blank created_at .. date is unbound, we should rename it to unboundDate
Redirect to '/' if OmniAuth login from '/login'
Allow customization of 'login required' message
message format is awesome, remove 0 unread and 0 new links.
Merge pull request #959 from chrishunt/chrishunt/login-required-fixes

'login required' site setting improvements