Removed unused credentials and remote_address columns from authorization
code table.
Also, fixed so that session_id is populated in authorization code table.
Changed so that old columns are not removed yet (otherwise will cause
problems for roll out on multiple nodes on production).
Merge branch 'master' into tidyAuthorizationCodeTable

Conflicts:
	orcid-persistence/src/main/resources/db-master.xml
Merge branch 'fixRenamedColumnInTestData' into tidyAuthorizationCodeTable
Merge pull request #915 from ORCID/tidyAuthorizationCodeTable

Tidy authorization code table