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- Supposedly fix a memleak
- Fix a few warnings

* Move out Advanced/Misc/Misc options
* Don't show any Stuff/General category anymore
* For interfaces, split out "General" from main interface settings
* Remove dummy from prefs
* Clean hotkeys settings

(Closes:#598)

* both: fixed each one 'comparison of distinct Objective-C types lacks a cast' warnings

 the var manager, to avoid a crash at exit when an expression
 'not window.isVisible' is used in a skin.

 documentation (and the old name was inconsistent with other attribute names)
 Sorry for the compatibility break...

Strings review in stream_out (Refs:#438). Please review these once more as I changed some quite heavily

try fixing charset problems. I'll launch a win32 nightly, try it out and change it if it still doesn't work.

		   Warning hack inside.
		   refs #495 close it for linux and win32
		   

* Do not make a vlc_object_find to find the playlist, since we may get the item being preparsed. Use p_playlist->p_input instead