Remove unused class
Also clear Glossary in ParametersStorage.flush
Remove done todo
Remove unused value
Remove 'final' which could conflict in jackson branch

Just taking care that the future merge won't be too hectic.
Remove done todo
Disable glossary button before parameters update

Also only launch parameters update from the dashboard once we have
internet (prevents SyncService from being unnecessarily started each
time we get to onResume, which is pretty often).
Code style