Added Weighted K-Means to the KMeans Clustering Module,
Added Weighted K-Means to the KMeans Clustering Module,

Parallelized several loops for performance boost

NikolasMarkou/Accord-Framework,eripahle/framework,dhanzhang/framework,cschiano/framework,raydtang/framework,cschiano/framework,OperatorOverload/framework,raydtang/framework,lostmsu/framework,eripahle/framework,OperatorOverload/framework,NikolasMarkou/Accord-Framework,hippieZhou/framework,hippieZhou/framework,najafzadeh1055/framework,lostmsu/framework,anders9ustafsson/framework,raydtang/framework,hippieZhou/framework,dhanzhang/framework,NikolasMarkou/Accord-Framework,cureos/accord,cschiano/framework,anders9ustafsson/framework,NikolasMarkou/Accord-Framework,anders9ustafsson/framework,raydtang/framework,hippieZhou/framework,cureos/accord,najafzadeh1055/framework,cschiano/framework,cureos/accord,raydtang/framework,eripahle/framework,eripahle/framework,eripahle/framework,lostmsu/framework,OperatorOverload/framework,cureos/accord,anders9ustafsson/framework,lostmsu/framework,najafzadeh1055/framework,OperatorOverload/framework,najafzadeh1055/framework,lostmsu/framework,dhanzhang/framework,najafzadeh1055/framework,OperatorOverload/framework,dhanzhang/framework,cschiano/framework,cureos/accord,anders9ustafsson/framework,hippieZhou/framework,dhanzhang/framework