[OSX] Stop using my own moduleset and use the upstream one from gtk-osx
[OSX] Build pango with --with-included-modules, to avoid problems when bundling
[OSX] Added GIO modules to frogr.bundle and point it from the launcher
[OSX] Temporarily remove gstreamer again, to do some local experiments
[OSX] Build GTK+3 without gobject introspection
[OSX] Build librsvg without gobject introspection
[OSX] Build libxml2 before libcroco
[OSX] Updated README file, adding mention to 2 meta bootstrap modules