RecTPCnv+muonEvent+MissingETEvent: Add unit tests.
Add some unit tests in preparation for removing #define private.
Also remove obsolete ARA converters.
Need to extend muonEvent and MissingETEvent classes a bit.
Add some unit tests in preparation for removing #define private.
Also remove obsolete ARA converters.
Need to extend muonEvent and MissingETEvent classes a bit.