feature(ratings summary): add rating summary to reviews
feature(reviews summary): add rendering of overall stars
style(rating summary): update styles for summary
fix(ratings summary): fix css colors
Merge branch 'develop' into feature/NOW-301
fix(endorsements): fix hover color on unendorsed endorsement
feature(ratings summary): update  html and css code layout
style(rating summary): add font weight
style(rating summary): fix alignment of column items
feature(rating summary): add message if no reviews exist
chore(ratings summary): fix rendering of unwanted background colors due to floating elements
fix(rating summary): fix unit test
fix(rating summary): add filter click event and minor styling changes
feature(rating summary): add broadcast event and update unit tests
fix(rating summary): fix jshint warnings
style(rating summary): make review summary average smaller
fix(rating summary): add bar filter states and floor star rating
refactor(rating-summary): add back support for updating summary after delete

Light refactoring of css classes to follow conventions
Merge pull request #96 from lithiumtech/feature/NOW-301

Feature/now 301