Adapted to Magnum changes. No more <>!
Updated toolchains submodule.
Use Magnum's type aliases.
Install libraries only if targetting NaCl's glibc.
NaCl's newlib cannot load dynamic plugins.
NaCl's newlib doesn't have std::to_string().
Make Exit menu item dummy for NaCl.
GCC 4.4 needs some explicit typing.
Install different NMF file for NaCl glibc and NaCl newlib.