All versions of Safelog Pilot Logbook

* Minor bug fixes * Support for more airline/roster import sources * New derived fields allow for even more ways to analyze your logbook, including allowing you to generate output in EASA/FAA/TC/CASA Australia/UK CAA/many more formats regardless of your 'native' format. * Updated airport, aircraft, aircraft type, etc databases * User Interface improvements, including better file/picture/signature selection * Many small changes under the hood to keep us the #1 Pilot Log.