Create Installer from SasView Pull Request

Currently this only works for the sasview branch. Adding the following comments to the PR will get Jenkins to build an installer from the PR (and master of sasmodels) that can be distributed for more general testing… also reduces potential false testing due to pollution from local build system.

• For OSX

  ready for testing on OSX
  

• For Windows 64

  ready for testing on Win64
  

• For Windows 32

  ready for testing on Win32