feature and step defs for validating GitHub and PivotalTracker urls
pong to marian: cuke failing for invalid url
update feature for invalid links
Merge branch 'develop' of https://github.com/AgileVentures/WebsiteOne into plink
Merge pull request #337 from marianmosley/plink

Validation for GitHub and Pivotal Tracker urls
Merge branch 'develop' of https://github.com/sampritipanda/WebsiteOne into refactoring