Don't add data DVDs when possible
Only uses D-Bus code if version >= 0.9.2
(refs #99)

* Try .bin when opening a .cue, instead of trying the filename in the .cue (it's usually wrong).
  When the .bin filename fails, then look into the .cue file for a possible alternate name.
* Don't crash on non-existing cuefile's

I would like to backport some of this, but 0.8.6 doesn't have utf8_open, so I need to see what i'm gonna do with that.

  - fix some const warnings
  - fix an "invalid" assert

  Used by mp4 and 3gpp Timed Text 

* ps.c: Base SET_TIME on the current byteposition. This helps seeking in VBR files. Seeking forward will no longer seek backward instead.

(before getopt_long gets the chance to reorder them)

refs 830   (close requires backport)

If the item is not to be preparsed but has enough meta, mark it as preparsed

* Fixes to the streaming chain generator
* network: don't print an error message for EINTR