- Scriptcontext debugged to be working

- Added a drivable adapter to scriptcontext nodes
- Added subsampling to simulated histograms (and as a general option) in
  order to support Gumtree testing.

sicspoll.c

@@ -229,7 +229,7 @@ int SICSPollWrapper(SConnection *pCon,SicsInterp *pSics, void *pData,
          }
 
         driv = makePollDriver(pCon,argv[3], argv[2],
-                                argc-3, &argv[4]);
+                                argc-4, &argv[4]);
         if(driv != NULL){
             LLDnodeAppend(self->pollList,&driv);
             SCSendOK(pCon);