Remove not null constraint on the description column/property for all OpenmrsMetadata objects (cherry picked from commit 621db4505c37cb9e5f824a16c2bd4aad6b90844b)
TRUNK-4492: Added a comment to the liquibase changeset removing the tribe field from the patient table. (cherry picked from commit dc865c960688b87649ef8283a9d2076ba2246a9a)
TRUNK-4492: Added a changeset to liquibase-update-to-latest.xml that drops the tribe field and removed the tribe column entry from liquibase-schema-only.xml. (cherry picked from commit 2342f9363f079376b67fff3d45c72cb0beae9636)