Add support for separate measure properties files that will be built from the Excel spreadsheets
Merge branch 'develop'
Add support for converting from JSONified measure XLS files to measure def JSON
Remove usage of awesome print
Fix a bug that prevented building from XLS JSON, add a spec to test it properly
Remove redundant test fixtures
Fix to handle unpatched files
Print stacktraces that are being swallowed by RSpec
Fix bug in patching JSON
Fix bug in patching JSON
Add support for sympton and risk_category_assessment standard categories
Support multiple lists of codes from the same set (different concepts)
Add individual_characteristic standard category
Add measure properties to members of collections if not added in root
Add measure properties to members of collections if not added in root
Improve resilience to bad input data
Improve resilience to bad input data
Add support for date range properties
Handle inconsistent use of case for groupings
Robustification to handle missing fields