Merge pull request #3 from KishoreYarli/blog

restart maintain Blog feature
Added Graffiti health check scenario
add environment profiles to behat.yml
got the image check sceanrio working
Merge pull request #4 from SuperstarDonkeyJockey/dynamic-parameters

Parameterised the target box plus added Graffiti health and image checks.
modified BlogSteps.php and added #javascript #behat to feature file
adding feature file with changes
adding BlogSteps file