Removed Eigen stuff that we weren't using

Revision string moves to its own cpp file that is compiled, and out of a 
defined string.  This will make it a bit easier to migrate to git when 
the time comes.

Adding eigen Cmake stuff

Adding a vector parsing option to the parameter Manager.

Doing some work to simplify cmake build process

Cmake fixes and updates.

Somewhat working cmake build system now. Does not yet build a parallel target. Builds all non-mpi programs.

Adding stuff for cmake