removed os.getlogin from print JythonEnvironment

This is broken in Jython2.5.3
Chris' updated to core bimorph scripts to better handle absent input
fields.
Add method to set controller to ScannableMotionwithScannableFieldsBase
Merge remote-tracking branch 'b16-prod/8.30' into 8.30
Merge remote-tracking branch 'i16-prod/8.30' into 8.30
Merge remote-tracking branch 'origin/8.30'