Revert "glib: build static libraries"

This reverts commit 02df4f3fcf72852687b047c662243d6402eecf85.

this was a very, very stupid thing to do. shame on me.
service.openelec.settings: switch back to dbus.mainloop.glib / gobjects

it was fine, in general, but I still need gobjects...

This reverts commit c0d62e0fe98b669d4029734ad3dc817d657b0b53.
This reverts commit f9b4b66d271222938ab01559d94107f7292edb89.
This reverts commit 17351b8892d2659ac2f92029b9b12f83fa0e9f0b.
This reverts commit 5d6be72a2013b8b93688b80676c4b0950d6091f1.
This reverts commit b68b48d3bfdf204c2d1263c97ca7d03f23a5e429.