- 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.

HistDriv.i

@@ -1,5 +1,5 @@
 
-#line 465 "histogram.w"
+#line 467 "histogram.w"
 
 /*---------------------------------------------------------------------------
                         H I S T D R I V
@@ -72,7 +72,7 @@
                                  void *pPriv;
                                } HistDriver;
 
-#line 477 "histogram.w"
+#line 479 "histogram.w"
 
 
 #line 232 "histogram.w"
@@ -81,8 +81,10 @@
    void        DeleteHistDriver(pHistDriver self);
    int         HistDriverConfig(pHistDriver self, pStringDict pOpt,
                                 SConnection *pCon);
+   HistInt *DefaultSubSample(pHistDriver self, SConnection *pCon, 
+                int bank, char *command);                              
 
-#line 478 "histogram.w"
+#line 480 "histogram.w"
 
 
 #endif