Exception should be \Exception
Merge branch 'master' into minor-namescape-tweak
Fixing ownership block in Black theme
Merge pull request #243 from mapkyca/minor-namescape-tweak

Exception should be \Exception
Shouldn't reference an unenabled theme from an enabled one (except for the base)
Correcting spelling of Matisse
Improved map zoom in checkins

Fixes #365
A friendlier comment to explain WSOD handling