core: A bunch of coding-style fixes
core: A bunch of coding-style fixes

luisbg/rygel,Tarnyko/rygel,GNOME/rygel,jku/rygel,jku/rygel,GNOME/rygel,Tarnyko/rygel,Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel,Pelagicore/Media-Manager-Rygel-patched