[create][s]: switch to latest gdocs recline backend.
[templates][s]: refactor to have navbar as a block that can be overridden.
[timemap][s]: embed support working again.
[css][xs]: fix bug whereby we had a tiny bit of extra space on RHS screen beyond timemap.
[dao][s]: rename Viz object to DataView.
[authz][s]: authz tests and code working again.
[api][s]: api code working again (plus tests).
[api][m]: creation of DataView via API now operational (and tested).
[bugfix][xs]: addendum to rename in a76875a742f01f8ee0485a773802f8d422d8a0f0.
[create][m]: basic create via ajax in create view working.

* introduce title and slug fields, save working in a basic way
* lots to do (e.g. title and slug not set in any useful way)