Since the java code is turning into entire toolbox for dealing with tabular
expressions, move the code to an appropriate package.  Even if it doesn't
become a full toolbox (for java), it is deeply used by the Matlab toolbox.
Thus pull the name from there.

git-svn-id: https://groke.mcmaster.ca/svn/grad/colin/branches/TableTool_javization@10844 57e6efec-57d4-0310-aeb1-a6c144bb1a8b