adding participant data
paginating results from get user data
Handle our custom fields automatically
addressing comments from code review
make migration use proper custom decoding
Merge remote-tracking branch 'upstream/develop' into BRIDGE-34

Conflicts:
	services/repository/src/test/java/org/sagebionetworks/repo/web/migration/MigrationIntegrationAutowireTest.java
Address comments, mostly naming
typo in test
Merge remote-tracking branch 'upstream/develop' into BRIDGE-34

Conflicts:
	services/repository/src/test/java/org/sagebionetworks/repo/web/migration/MigrationIntegrationAutowireTest.java
Merge pull request #907 from marcel-blonk/BRIDGE-34

adding participant data