Add Version 6.0 to replaceversion 2.0, well with cartdemoplugin.cc from or less than 6.0
Add Version 10.0 nonlinear model not complete
Add Version 11.0 with nonlinear model not complete
Add version 12.0
Add version 12.0
Merge branch 'slave' of https://github.com/tynguyen/my_Simulation into slave