Use our nifty URL detector library to check for previous import

Our `find_by_url` already checks for www and non-www, encoded and non-encoded, etc versions of the URL. Let's use it. With spec!
forgot caps on an item
forgot caps on an item
fixed things from od comments
Update new relic
Merge pull request #1516 from otwstephanie/3713

3713
Merge pull request #1520 from zz9pzza/Issue_3907

Update new relic
Update claim.html.erb

Nitpicking.
Merge branch 'refs/heads/master' into 0.9.13-issue-3574-wwwwww

Conflicts:
	spec/models/story_parser_spec.rb
Merge pull request #1515 from CristinaRO/0.9.13-issue-3574-wwwwww

Use our nifty URL detector library to check for previous import