[REFACTOR] Renamed ask dialog instance.
[FIX] Avoid null pointer exception is rare cases (wrong record in
database).
[UI] Added checkbox in Ask Dialog.
[MODIF] Using checkbox to delete also all records of entry.
[ADD] Stub for delete all records of given entry method.
[COMMENT] Some tasks to actualize caches.
[ADD] Method to fetch all records' ids of given entry from database.
[COMMENT] Task to clear history adapter.
[MODIF] Implemented method to delete batch of records.
[COMMENT] Reserve cache even if entity has been remove.
[MODIF] Recycle any previous mapping between entry and records.
[STYLE] Style fix.