added GCS verbal for metavision, refers #156
added GCS verbal for metavision, refers #156

MIT-LCP/mimic-code,fereshteh-razmi/mimic-code,fereshteh-razmi/mimic-code,MIT-LCP/mimic-code,MIT-LCP/mimic-code-sharing,MIT-LCP/mimic-code-sharing,MIT-LCP/mimic-code,fereshteh-razmi/mimic-code