Updated glg and normal_mixture creation objects to be auto_updateable.

Added associated tests.
added template R file.
formalized HazardParameters and ResidualParameters.
SimulateCKD now runs.  Moved GEnerate Death inside Hazards Class
Merge branch 'refclasses' of github.com:jennyteng/CKDsim into refclasses
Merge branch 'refclasses' of 155.100.191.128:/home/aredd/projects/university/CKDsim into refclasses