[movieListVI] tables in DB will be initialized after first db create with ruby script
[movieListVI] moved movie traits to movie class; added import target to rakefile
[movieListVI] fixed status name; added transaction functions to DataBase
[movieListVI] combo box tips will now show when there is too many of them
[movieListVI] tips will show when typed text can decrease available values below threshold
[movieListVI] performance optimalization
[movieListVI] optimized MovieCountChildren, added counting grand children