- variable declarations to cref1 added (required for parallel calcula…

…tion of jacobian)

- changed get -> boost::get and added boost/tuple/tuple.hpp to algloop-header file 

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@20374 f25d12d1-65f4-0310-ae8a-bbce733d8d8e