Add document title (database name) to top of the browser page.

Add document title (database name) to top of the browser page.

I added the document title to the TableSelecitonView but that will
change if / when we add a view that doesn't require table selection.

* mockups/details-contacts.html:
* mockups/details-projects.html:
* mockups/listview-contacts.html:
* mockups/listview-projects.html:
* mockups/style.css: Add document title to mockups to keep things
consistent.
* src/main/java/org/glom/web/client/OnlineGlom.java: Adjust LayoutPanel
sizes to account for the document title.
* src/main/java/org/glom/web/client/activity/TableSelectionActivity.java:
Set the document title when it has been retrieved from the server.
* src/main/java/org/glom/web/client/ui/TableSelectionView.java:
* src/main/java/org/glom/web/client/ui/TableSelectionViewImpl.java: Add
and implement setDocumentTitle(String) method.
* src/main/webapp/style.css: Add ID for document title style.