* destroy some mutex'es once in a while to prevent memleaks. Suggested by a forumuser, name pending. 

with mb_str(wxConvUTF8)

Should be fixed at configure stage

(vlc 0.9.0 is definitely not going to be ABI-compatible with 0.8.6).

(I get about hundred time faster config load here, but right, there are
 much slower operations in libvlc startup anyway
 -- and the plugin cache breakage is not going to help).

* compilation fixes to address courmisch's API changes. need massive testing and more fixes to handle various strings