Updated picker model
Added previous jump count to aircraft, rig, location, and skydive type.
Added previous jump count to import/export of XML
Added custom rig cell with reminders
Converting signatures, diagrams, and photos to NSData to be stored externally
Fixed bug on importing images, changed app to use pngs instead of jpegs.
Fixed bug in pickers on log entry
Fixed UI issue
Updating version for release --> 1.10