WIP Schemachange app
More WIP on robustifying the schemachange app
Merge remote-tracking branch 'refs/remotes/origin/master'

Conflicts:
	tests/test_apps/schemachange/src/schemachange/SchemaChangeClient.java
SchemaChange updates: Fix some bugs with schemachange
Change deployment settings to work around a bug and simplify.
Comment out a bad assertion in UndoLog.h.
Fix whitespace.