Merge pull request #972 from SalesforceFoundation/feature/971-primary-contact-formula

Added Primary_Contact__c formula field on Contact
#970, #973.  fixes to Health Check and error handling for large soqls.
Merge pull request #974 from SalesforceFoundation/feature/973-health-check-fixes

#970, #973.  fixes to Health Check and error handling for large soqls.
Merge dev into feature/971-primary-contact-formula