Wings 2.2.4 release

[dgud]

--- 2.2.4 --------------------------------------------

- Fixed View/Show Texture bug. [dgud]

- Fixed transparent rendering. [dgud]

- Added a fail-safe if OpenCL crashes during start,
which will disable OpenCL for future runs. [dgud]

- Select by Material in Outliner window was not working in accord when in
body selection mode. Thanks Hank. [micheus]

- Fixed some ui color settings. [micheus]

Enjoy, marked this as a stable release.