projects/ - contains projects that link to libvlc other than vlc and the bindings.
extras/package - contains the packaging specific files.
extras/deprecated - deprecated files.
extras/buildsystem - contains non-default buildsystem stuff.
extras/analyser - contains code analyser (such as editor specific files) specific files.
- added a couple of support APIs in libvlc
- retired XPCOM interface, all scripting now goes through NPObject apis
- new APIs using libvlc (roughly similar to java bindings)