Misc behavioral updates

Summary:
Small change in behaviour of fragments (fixes T820)

Use RecyclerView and appropriate stop adapter

Use the appropriate methods, try to replace fragment instead of adding

Reviewers: valerio.bozzolan

Reviewed By: valerio.bozzolan

Subscribers: valerio.bozzolan, Libre BusTO

Tags: Libre BusTO

Maniphest Tasks: T820

Differential Revision: https://gitpull.it/D74