controllers: Removed deprecated URL patterns
lib/form: Moved package to skylines.forms
controllers/users: Moved field classes to form.units module
forms/units: Renamed field classes
controllers/users: Moved field classes to form.club module
controllers/clubs: Moved field classes to form.club module
controllers/clubs: Moved field classes to form.pilot module
controllers/users: Extracted password_match_validator
controllers/upload: Moved field classes to form.pilot module
runit: Removed unnecessary PYTHON_EGG_CACHE env variable