Added Tests for statically stored tables using usertab functions.
- ComiTable1D.Test25_usertab
- CombiTable1Ds.Test25_usertab
- CombiTable2D.Test18_usertab
- CombiTimeTable.Test66_usertab

git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@6695 7ce873d0-865f-4ce7-a662-4bb36ea78beb