PullRequest for Issue1067: add Pseudo Motors to the BioXAS Motor tools

- Added BioXASPseudoMotorControl and BioXASPseudoMotorControlEditor
- modified BioXASMainBeamline/BioXASSideBeamline and BioXASImagingBeamline to contain the pseudo motors
- modified the tool screen to display the motors

@davidChevrier @dretrex @helfrij 
Does this take ownership of this pointer?  It looks a lot like a memory leak from this line.