Add Orchestra\Theme::start() to replace Orchestra\Core::appearance()

Signed-off-by: crynobone <crynobone@gmail.com>
Update changelog.

Signed-off-by: crynobone <crynobone@gmail.com>
Move Autolaoder::alias() registration to start.php

Signed-off-by: crynobone <crynobone@gmail.com>
[#147] Convert helper user_localtime() to Orchestra\Auth::localtime()

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch 'staging'