Fixes a bug where an intent is received by the server for a jet that is already destroyed caused a crash.
Implements custom component writing and reading support to EntityReader/Writer.
Implements custom writer instances for most of the components.
Removes the paramater from the ManeuverQueue component.
Implements creating maneuvers by name.
Implements custom readers for all components.
Fixes two bugs in parsing Maneuvers from the network DataInputStream.
Adds toShort and valueOf to ZOrder enum. Changes network transfer of zorder to xmit a short instead of a string representation.
Merge branch 'master' into network
Adds support for icons to network client and server.
Switches sprite image referencing to use an enum instead of a string.
Changes maneuvers to be identified by an enum instead of a string.
Maneuver intents are now sent as shorts over the network instead of as strings.
Refactors intent sending and receiving code into helper classes.
Merge pull request #68 from absolom/network

Pull Request - Network