refactor validators for cat 1
fix whitespace, delete obselete code
fix more whitespace
fix more whitespace :lauging::gun:
Changing the test coverage threshold to provide room for refactoring
Merge branch 'refactor_validators'

Rebasing and merging pull request #103
Updated the measure evaluation validator code to use the new method signature for ProductTest#Execute
Merge pull request #108 from okeefm/roundtrip_update_for_refactor

Updated the measure evaluation validator code
Fixed a collection_fixtures call for PatientZipperTest
Fixed format of Cat 1 'execute' call
Added product and vendor collection_fixtures calls to patient_zipper_test
Merge pull request #110 from okeefm/measure_evaluation_fix_2

Fixed format of Cat 1 'execute' call
Merge pull request #109 from okeefm/zipper_test_fix

Fixed a collection_fixtures call for PatientZipperTest
Added a starter cat_3_calculator script and some necessary changes to make it work
Disabled logging/rationale in the cat 3 calculator
Updated measure_evaluation_validator code, including some additions to the rakefile to allow for JS updating for testing