update utility functions for computing models
	deleted:    Utils/foo
	deleted:    Utils/mlint.log
	modified:   Utils/model/comp_inv.m
	modified:   Utils/model/comp_quadModel.m
	modified:   Utils/model/comp_smos.m
	modified:   mat/PTM/180nm/comp_models.m
Merge /ubc/cs/home/c/chaoyan/ccm