Pull in UMD from Spyder licensed with Spyder License Agreement (MIT License)

Spyder is http://code.google.com/p/spyderlib/
UMD is the User Module Deleter

To fully enable UMD we need to call the new method runfile instead of
execfile. EvaluateActionSetter is updated to call runfile.
Merge branch 'user_module_deleter' of https://github.com/jonahkichwacoders/Pydev into jonahkichwacoders-user_module_deleter
Integrated Pull in UMD from Spyder licensed with Spyder License Agreement (MIT License).
Removed utility that did execfile as we're always using runfile now (added on UMD reloader feature).