Add support to geoquery Training to Travatar

In this pull request, there are several changes:
- Modify mert script to support the geoquery training.
- Add some related options for hiero translation.
- Implement support to the dictionary so it can handle up to 100 non terminals.
- Deleting all nodes that has no edge in the hiero translation hypergraph creation.
- Update test for hiero-lookuptable.
- Temporarily disable test for hiero-lookuptable-fsm