dynare++/kord: move away from CWEB

.gitignore

dynare++/extern/matlab/dynare_simul.cpp

dynare++/kord/Makefile.am

dynare++/kord/approximation.cc

dynare++/kord/approximation.cweb

dynare++/kord/approximation.hh

dynare++/kord/approximation.hweb

dynare++/kord/decision_rule.cc

dynare++/kord/decision_rule.cweb

dynare++/kord/decision_rule.hh

dynare++/kord/decision_rule.hweb

dynare++/kord/dummy.ch

dynare++/kord/dynamic_model.cc

dynare++/kord/dynamic_model.cweb

dynare++/kord/dynamic_model.hh

dynare++/kord/dynamic_model.hweb

dynare++/kord/faa_di_bruno.cc

dynare++/kord/faa_di_bruno.cweb

dynare++/kord/faa_di_bruno.hh

dynare++/kord/faa_di_bruno.hweb