Merge pull request #974 from SalesforceFoundation/feature/973-health-check-fixes

#970, #973.  fixes to Health Check and error handling for large soqls.
Merge pull request #977 from SalesforceFoundation/feature/973-health-check-fixes

Health Check CustomFiscalYear fix and Household Naming large org fix
Fix for #991. We needed the prefix to get the classes that implement address validation when the app is packaged.
Escaping the underscore in the query that finds address validators.
Merge pull request #993 from SalesforceFoundation/feature/991-settings-nullpointer

Feature/991 settings nullpointer
Merge dev into feature/973-health-check-fixes