Refs 13807 - Add exhibit 3.0.0 lib
Refs #13807 - Update exhibit 3.0 JS lib
Refs #13807 - Update to exhibit 3.0 API; jslint
Refs #13807 - Fix timeline extension
Refs #13807 - Update exhibit views advanced properties
Refs #13807 - Include timeline js files from internal servers

- Don't load timeline lib from simile-widgets.com
Refs #13807 - Fix Tabular and Map View

- Fix Tabular details button
- Fix Map bubble height
- Update HISTORY.txt and version.txt
Refs #10176 - Center timeline to current date
Fixes #10176 - Center timeline to current date
Merge branch 'exhibit3' of https://github.com/collective/eea.exhibit into exhibit3