Added object and make method for MutableLPVectorField
Added object and make method for MutableLPVectorField

scalanlp/breeze,calippo/breeze,nikdon/breeze,cilier/breeze,wstcpyt/breeze,chen0031/breeze,crealytics/breeze,sheide/breeze,mredaelli/breeze,ContentSquare/breeze,claydonkey/breeze