The code is based on MS-PL license, so I think we need to keep at least that license text and possibly license our new code under something else.
(D) If you distribute any portion of the software in source code form, you may do so only under this license by including a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or object code form, you may only do so under a license that complies with this license.
MS-PL is not compatible with GPL or MPL.
The code is based on MS-PL license, so I think we need to keep at least that license text and possibly license our new code under something else.
MS-PL is not compatible with GPL or MPL.