ConfigDialogDelegate: return fully standalone NSImage in QIcon_to_AutoreleasedNSImage.

QPixmap::toMacCGImageRef seemingly returns an NSImage that is still backed
by the QPixmap. With semantics like that, our usage doesn't make much sense.

For now, use the private QtGui symbol qt_mac_create_nsimage() to create
a fully standalone NSImage.
opus-build: build with CONFIG=staticlib on Unix as we do for our bundled Speex library.
Swedish translation error (#973)
murmur.pro: add CONFIG(ermine) for the Ermine packaged build.
Ensure that the MAX macro is always defined.

On some systems, none of the (directly or indirectly) included headers does
provide that macro. First reported in https://bugs.gentoo.org/460524
Updated BF3 PA plugin to Endgame DLC(b1147186)
Merge branch 'master' of ssh://github.com/mumble-voip/mumble