Added network front to channel prop
Fixed undefined issue with page/content type on custom link tracking
Removed naughty console.log
Merge pull request #452 from guardian/omniture

Omniture fixes for undefined values
Fixed jshint error
Merge pull request #453 from guardian/omniture

Fixed jshint error
Fixed failing js unit test after contentType change
Merge pull request #454 from guardian/omniture

Fixed failing js unit test after contentType change
Merge branch 'master' of github.com:guardian/frontend into event