Corrected warnings an info messages
Implemented reception of RBC transition orders.
Implemented procedure to execute when an RBC transition order is received
Saved in the new format
Corrected TrainData sending
TrainCategories enum renamed
Added NoCategory to possible other international categories.
LevelData renamed to LevelDataStruct
Started implementation of sending of ValidatedTrainData.
Items renamed after refactoring
Merge branch 'OpenETCS/master'
Items renamed after refactoring
Merge branch 'OpenETCS/master'

Conflicts:
	ErtmsFormalSpecs/doc/specs/subset-026/EURORADIO.efs_ns
Implementation of sending of train data when connected with accepting RBC
Implementation + correction of position report sending to Handing Over RBC and Accepting RBC
Procedure renamed
Procedure RBC/RBC Handover reviewed
Position reporting to Accepting / Handing Over RBC implemented
Started implementation of RBC/RBC Handover
Implementation of the fact that the registering to the network has to be done before sending the Accepting RBC contact order to the on-board