Handle platform request message.
And implement platform text information deliver message.
Add PlatformTextInformationDeliverRequestMessage.
Merge branch 'master' into SupportMultipleVehicleTerminals

Conflicts:
	src/com/chrhc/vehicleterminalsimulator/protocol/ProtocolController.java
	src/com/chrhc/vehicleterminalsimulator/protocol/message/AbstractMessage.java
	src/com/chrhc/vehicleterminalsimulator/protocol/message/AbstractPlatformMessage.java