testHSolve is running with this commit.

git-svn-id: svn+ssh://svn.code.sf.net/p/moose/code/moose/branches/async13@5330 d1858a74-f715-0410-99c9-c66fe9cce3d6
Some utility function related with plotting numpy vector in consolve using
gnuplot are added.



git-svn-id: svn+ssh://svn.code.sf.net/p/moose/code/moose/branches/async13@5331 d1858a74-f715-0410-99c9-c66fe9cce3d6
testHsolve runs and draws plot in terminal using gnuplot.

git-svn-id: svn+ssh://svn.code.sf.net/p/moose/code/moose/branches/async13@5332 d1858a74-f715-0410-99c9-c66fe9cce3d6