Update to font-awesome 4.1
Update packages to latest versions
Allow gravatar helper to accept size argument
Change bootstrap import technique
Fix some bootstrap issues
Add add-contact feature

This allows us to build a list per person of related people (for some value of
related). This will be used in the revamped note exporter for instance.
Redo note email exporter

The new one lets you select multiple recipients, based on the contacts list.
Silence a log message from gravatar