For Mac OS X, let's now use the default X11 locations for the fonts.conf and the cache files.
Those that do not have X11 installed (old default < 10.4) are simply out of luck.
They will only be able to use the files in /System/Library/Fonts and will need to rebuild
their cache every time.

We should also fix this for windows. I'm looking for other projects that use fontconfig on
Windows to see if I can get some hints on how to do this.

'make using-bin' will download the contrib binary and install them.

I am considering switching default make target to make using-bin, instead of the current using-src, because it's way faster, it's safer, and only experienced dev will use make using-src I guess.

macosx: added a non-implemented skeletion (just the UI) for a VLM configuration panel with a preliminary icon set

Code simplification and TimeLabel in the FSC.

Close #2080.

Basically, somewhat of a "duh" now that we have optional_arguments on OSX.
It is highly annoying however that getopt_long behaviour differs so much
between gnu and BSD implementations, and then is even BUGGY on darwin.
'--option=value' is uniformly supported  and '--option value' is a GNU getopt thing.

imperfect world etc...

We definitely don't want to use the slow mutex or risky spin locks,
unless we have to.

The exact error message is: src/.libs/libvlccore.so: undefined reference to `__sync_fetch_and_sub_4'. According to irc discussion gcc version 4.1.2 (fc8), 4.1.3, 4.2, 4,3.2 and 4.3.2 (archlinux) fail with this error message. This patch fixes it by bumping up the minor number for gcc to 4.

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macosx: make [VLCControls getVoutView] publically available as it is used more than 15 times across the interface (VLCIntf, FSPanel, Vout, EmbeddedVout, ...)