Work on website forms.

Added bug report and data request templates.
updated gems
updated gems
added nested layout for public pages
use new public pages nested layout (DRY!)
small change to check storage message
fix pluralise nomethoderror
changed email subject
changes to email templates
update email prefix and travis settings
updated icons for fa, changed paging
updated gems
Merge branch 'master' into annotation_discussions

Conflicts:
	Gemfile.lock
audio event comment changes, factory changes