Commit of the initial Maven structure.
TrackGroup parser.
Add arrival/departure sequence parser.
Add category parser.
Add yard parser.
Add single track parser.
Add platform parser.
Slight change in the sequence API.
Finish resource parsing by implementing maintenance facilities.
Parse category-compatible resources.
Implement departure parser.
Add parser for joint departures.
Category compatible departures are now implemented.
Add parameters parsing.
Implement Gate parsing.