Added cmd_statuses validation tests
Refactored testsuite for less verbose output
Fixed broken tests
Changed /statuses preferences
Added tests/config/helpers
Use defaults for /statuses commands
Inlined ui_contact_online and ui_contact_offline
Added UI presence functions
WIP - /statuses command options
Added use of statuses preferences
Added statuses settings to prefs output
Tidied /statuses help
Implemented autocomplete for new /statuses options