Removed deprecated JSF beans
Added constraints on Flight model

 - additional constraints
 - renamed capacityLeft to takenSeats and changed the meaning of property
Modified table appereance
FlightsBeans, operation remove

 - renamed FlightBean to FlightsBean
 - implemented operation remove
 - extended flight overview table
Minor changes to Destination beans

 - added exception processing
 - improved action logging
 - compilation fixed
Improved navigation in template
Flight edit page
Refactored DestinationsBean
Extracted converters

 - extracted FlightConverter
 - extracted DestinationConverter
ViewScope CDI extension
MyFaces @ViewScoped CDI Extension replaced by Seam 3

 - removed MyFaces CDI extension, f:viewParam didn't work
 - imported Seam 3 faces dependency doing the same bug without bug
JSF beans made Serializable and @Named only

 - Seam 3 deprecates JSF managed beans
 - replaced by CDI managed
Extracted ViewParams from FlightsBean

 - designed FlightsOverviewBean @ViewScoped bean
 - Flights and Flight shares view param to preserve them
Update from Seam 3.0.0 to Seam 3.0.2

 - improved logging
Fixed TimeZone issue and validation
Converters changed from CDI bean to JSF bean
Implemented Flight page - destination select