Fixing RB and ST start scripts

deployment.statistical.mm.json -> statistical.mm.production.json
see commit:
https://github.com/GPII/universal/commit/8d51f42ccb92dd94e06373a6833061f1c70cce57

Marking the RB and ST start scripts as executable files
Merge remote-tracking branch 'javihernandez/pilot-start-scripts-issues' into pilot

* javihernandez/pilot-start-scripts-issues:
  Fixing RB and ST start scripts