Removed NSArray al_constraintsByEnumeratingViewPairsWithRelationshipBlock:
Merge pull request #6 from tomabuct/RemoveEnumeratingViewPairs

Removed NSArray al_constraintsByEnumeratingViewPairsWithRelationshipBlock:
Merge branch 'master' of github.com:Yelp/SimpleAL into testing_and_various_fixes
Change offset -> constant in variable names