Squashed 'SpiffWorkflow/' changes from a094adad8..bb9832928

bb9832928 Merge pull request #257 from sartography/bugfix/add-spiff-scripts-to-service-task
ecd9ecb84 parse spiff script extensions in service tasks

git-subtree-dir: SpiffWorkflow
git-subtree-split: bb9832928b47055d2d51e1f5711f1abc4139f7d8

SpiffWorkflow/spiff/parser/task_spec.py

@@ -142,12 +142,16 @@ class ServiceTaskParser(SpiffTaskParser):
     def create_task(self):
         extensions = self.parse_extensions()
         operator = extensions.get('serviceTaskOperator')
+        prescript = extensions.get('preScript')
+        postscript = extensions.get('postScript')
         return self.spec_class(
                 self.spec, self.get_task_spec_name(),
                 operator['name'], operator['parameters'],
                 operator['resultVariable'],
                 description=self.node.get('name', None),
-                lane=self.lane, position=self.position)
+                lane=self.lane, position=self.position,
+                prescript=prescript,
+                postscript=postscript)
 
 class BusinessRuleTaskParser(SpiffTaskParser):