Dirac 1.0.0 Released

A stable version of the dirac-research codebase, Dirac 1.0.0, has been released. The release tar-ball can be downloaded from here or here.

Changes is this release are:
- Compliance with Dirac Bytestream specification 2.2.2.
- Adaptive GOP structure.
- Improved motion estimation.
- Improved pre-filtering.
- Major code refactor of encoder classes.
- Added conversion utility for horizontal 3/4 filtering.
- DirectShow Filter released to be able to play back Dirac v2.2.2 files raw bytestreams and Dirac wrapped in AVI in Windows Media Player and MPlayer Classic.