Moved CommandLineUtils code to new *Command classes
CORE-1785 Support multiple schemas in GenerateChangeLog
CORE-1785 Support multiple schemas in generateChangeLog, diff and diffChangeLog
CORE-1779 User Defined Types come back with unnessary size specifier

Cannot assume unknown types are user defined types with no parameters. Raw is an example that was broken from earlier cahnge
Merge branch 'master' into LB-3.1-testing