cleaned up CMakeLists.txt
cleaned up CMakeLists.txt

git-svn-id: 0bea805cdceb594c3ee5a2c6b30b47a63b088450@27 06d0e8c2-ff3a-6152-378d-b0a94b773f32

hsauro/sbml2matlab,stanleygu/sbml2matlab,stanleygu/sbml2matlab,luciansmith/sbml2matlab,luciansmith/sbml2matlab,hsauro/sbml2matlab,luciansmith/sbml2matlab,luciansmith/sbml2matlab,hsauro/sbml2matlab,stanleygu/sbml2matlab,hsauro/sbml2matlab,stanleygu/sbml2matlab,stanleygu/sbml2matlab,hsauro/sbml2matlab,luciansmith/sbml2matlab