Adding tracking attribute to job branding object

new attribute “tracking” was added to JB object
version bump

version bump for new attribute added (tracking) to job branding object
job branding new tracking attribute

attar accusers added
model test update for JB

job branding new attribute model test update for tracking
"should" added to tracking
new tracking test added

“should” test was added
Merge pull request #54 from cbdr/featured-master-version-1

Adding tracking attribute to job branding object