Adding navigation and additional destinations

Various UX improvements, including moving the search boxes in response
to a maps UI update

Fixing an edge case, seemingly a bug in the maps API, though I don't
know how on Earth it's occurring, where clicking on a search completion
in autocomplete (rather than a location suggestion) results any input
box under the autocomplete UI gaining focus.

Change-Id: I8946a7baee8b5ec1e1c6a3da64d75003515231f8
9 files changed