Added general model controller that contains the model updated function
Merge branch 'master' of https://github.com/bgrosskleg/CMPT350.git
Merge branch 'master' of https://github.com/bgrosskleg/CMPT350.git
Merge branch 'master' of https://github.com/bgrosskleg/CMPT350.git
Merge branch 'master' of https://github.com/bgrosskleg/CMPT350.git