* Add flight level field to PIREP field closes#401
* Default value for distance 0 closes#400
* Block airline deletion if assets exist #367
* Formatting
* Move some of the base exception classes
* Fix skin references to use settings table
* Set default for theme name if setting is wrong
* Don't allow cancels from certain states
* Unused imports
* Don't reset the state doubly
* Move SetUserActive into listener; code cleanup
* Unused imports
* Add missing files into htaccess
* Move Command contract to correct folder