Don't load activeadmin js in normal application

It was stopping the popovers from working
Clean up bad UTF8 when we retrieve from the database. Fixes #257
An alternate hack to detect Vagrant

That works if you don't have Morph installed to /var/www like if
you're developing under Linux
Merge pull request #261 from openaustralia/detect-vagrant

An alternate hack to detect Vagrant
Revert "An alternate hack to detect Vagrant"

This reverts commit 52414f88bfa30cd914434d4b9169e31712a760bf.
If we're on OS X assume we're using Vagrant
Avoid regex like the plague
Add a note about needing to be in the docker group on Linux
Don't need to be logged in to see all users and scrapers
Relax permissions on data directory

This allows the docker user to write to it when you're developing
under Linux (and your local user generally owns the data directory).

Closes #260.
Add a name to the from email address
Merge pull request #264 from openaustralia/email-name

Add a name to the from email address
Don't nest the link inside the icon tag

This is consistent with the rest of the items in the footer and fixes
a problem where the typeface was different for this link
Make the font consistent on Firefox

I'm not sure what this was supposed to be achieving but it made the
font incorrect on Firefox
Don't fall over if gravatar_url is nil for some reason
use new sqlite export and scraper metadata URLs, for compatibility with ScraperWiki Classic Archive
Add missing space
Show an error if the user doesn't enter a ScraperWiki URL
Enable better_errors in development
Add a more specific error