CRAB3 fixes for June special comp_hg1406 deployment

Compared to the last rc1 this has https://github.com/dmwm/CRABServer/commit/c7a19e6c81e116e1fc8da701d3febd8526788588 and https://github.com/dmwm/CRABServer/commit/98b5b5561285896cdd32bd69eedc5a0c32200384