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