Merge pull request #54 from acmeyer9/master

Added two new campaign methods
Fixing broken specs related to listing campaigns.
Version bump to 1.9.4
Regenerate gemspec for version 1.9.4
Add user_photos endpoint method
Merge pull request #55 from itzki/user_photos_endpoint

Add user_photos endpoint method
Version bump to 1.9.5
Regenerate gemspec for version 1.9.5
Merge branch 'master' of https://github.com/mattmueller/foursquare2