[processing] allow blank spaces in script parameters definition

Author: volaya

python/plugins/processing/script/ScriptAlgorithm.py

@@ -247,7 +247,9 @@ def processAlgorithm(self, progress):
         ns = {}
         ns['progress'] = progress
 
+        print self.parameters
         for param in self.parameters:
+            print param.name
             ns[param.name] = param.value
 
         for out in self.outputs: