prepare dynamic builds

CMakeLists.txt

utils/misc/package_gmsh_getdp.sh

utils/nightly/gmsh.ctest

utils/nightly/gmsh_linux64.ctest

utils/nightly/gmsh_linux64_dynamic_nightly.ctest

utils/nightly/gmsh_linux64_dynamic_nightly.ctest~

utils/nightly/gmsh_mac.ctest

utils/nightly/gmsh_mac_dynamic_nightly.ctest

utils/nightly/gmsh_mac_dynamic_nightly.ctest~

utils/nightly/gmsh_mac_nightly.sh

utils/nightly/gmsh_win64.ctest

utils/nightly/gmsh_win64_dynamic_nightly.ctest

utils/nightly/gmsh_win64_dynamic_nightly.ctest~

utils/nightly/gmsh_win64_nightly.bat