Added negation indicator and negation reason to communication from patient to provider template
Merge pull request #229 from okeefm/communication_negation

Added negation indicator and negation reason to communication template
set preferred code set and reason for provider to provider template
Merge branch 'provider_communication_template_fix'

Rebasing and merging pull request #230
Removed bad OID from mapping/patient_importer, and moved diagnostic study result to 'procedures' rather than 'results', so it will get counted correctly
Updated diagnostic study result test to pull from new location for diagnostic study: result