fixed issue #26 ; fixed problem with CMAKE not finding VTK_DIR if other small libraries are build at the same time.
Merge branch 'master' of github.com:ufz/ogs
Ninja is also a Makefile generator.
Disabled -march=native compiler flag for the Ninja CMake generator.

See http://www.kitware.com/blog/home/post/434 why Ninja is interesting.
Merge branch 'master' of github.com:ufz/ogs
Fixed linker error in MeshRead util.