refactored visit.py context/root with a cleaner run sub-dict
refactored visit.py context/root with a cleaner run sub-dict

couchbase/cbmonitor,couchbase/cbmonitor,couchbase/cbagent,couchbaselabs/litmus,ronniedada/litmus,couchbaselabs/priority15,couchbaselabs/litmus,mikewied/cbagent,ronniedada/litmus,vmx/cbagent,pavel-paulau/cbagent,couchbaselabs/priority15,couchbaselabs/litmus,couchbaselabs/priority15