* use secstotimestr to reduce code duplication and use the format logic introduced by [22835]. The main controller will get a layout fix later on, while the embedded vout and the fspanel don't need one.

- put deinterlace in its own file.

Use p_block->i_dts as spu->i_start instead of p_block->i_pts. This fixes timing issues while transcoding and streaming Teletext subtitles as DVB subtitles.

- Fix potential memleak with SDT descriptors
- Fix compiler warning about unused variables when not using SDT descriptors
- Fix compiler warning about wrong type of psz_sdt_desc
- Add parenthesis

MacOSX/Framework/VLCLibrary.m: libvlc type briding should be in the (VLCLibVLCBridging) category. No need to compute the applicationPath by now.(Patch by Enrique Osuna).

MacOSX/Framework/VLCMedia.m: Re-enable libvlc_MediaDescriptorMetaChanged/libvlc_MediaDescriptorDurationChanged event listening. (Patch by Enrique Osuna).

include/vlc/libvlc.h: publish libvlc_media_instance_set_chapter, libvlc_media_instance_get_chapter, libvlc_media_instance_get_chapter_count, libvlc_audio_get_track_count.(Patch by Enrique Osuna).@

control/media_descriptor.c: Send a libvlc_MediaDescriptorFreed event, when the md is freed. (Patch by Enrique Osuna).

* added a version check of the current Mac OS X version, as we require 10.4.x or higher and will definitelly crash on earlier releases.