UAR-620 Initial commit for letters customization.
UAR-743 Initial commit of ScheduleXmlStream.java
UAR-743 Updating ScheduleXmlStream to use getProtocolSubmissions instead of getLatestProtocolSubmissions.
UAR-803 Merge feature branch 'UAR-743' into release

Conflicts:
	src/main/config/xsd/printing/irb.xsd
	src/main/java/org/kuali/kra/committee/print/ScheduleXmlStream.java