Better dynamics coupling

[timspainNERSC]

• Use the DG dynamics module.
  • 7b2e5eb
• Remove the analytic forcing.
  • 35abced
• Ice velocity components in the main model.
  • 7500484
  • b23b42f
  • 16a4786
  • 730a35a
  • 1066c86
  • f6b9418
• BBM clean-up (issue Corrections in the MEB and BBM routines #274 and PR Issue274 bbm meb cleanup #318)
  • 32103a1
  • 087884a
• Clean up commented out code in ParametricMap.cpp. (cff21e2)