Merge pull request #113 from aronr/CSPACE-6213

CSPACE-6213: In Work authority, make the termSource field an autocomplet...
CSPACE-6216: Add 'is-extension=true' attribute to lifesci-authority-person.xml.
Merge pull request #114 from collectionspace/CSPACE-6216

CSPACE-6216: Fix lifesci person config to generate extension doctype.