fixed MinSpareResource discrete & continuous model.
Add Discrete MaxSpareResources constraint. Not yet Continuous Model. 

Model Worked: 
MinSpareResources: Discrete & Continuous
MaxSpareResources: Discrete
MinSpareNode:	No
MaxSpareNode:	No
CMinSpareResourcesTest conflict resolved
Add maxSpareResource constraint discrete model

Worked: 

MinSpareResources: Discrete & continuous
MaxSpareResoruces: Discrete