Implement Z3 in the matlab code.

Show an option for checking against Z3, and also hook it up to the matlab
code for use.  Everything should be working now.

git-svn-id: https://groke.mcmaster.ca/svn/grad/colin/branches/TableTool_javization@10667 57e6efec-57d4-0310-aeb1-a6c144bb1a8b