games/armagetron: Update to version 0.2.8.3.2 and support stage.
The previous version was 0.2.8.2.1.
Addition changes include:
* Removal of PORTREVISION; this resets to 0 when PORTVERSION changes
* convert USE_GMAKE to USES=gmake
* Remove now unsupported armagetronad_dedicated.in processing
* Convert LIBDEPENDS to new specification
* Support stage
Submitted by: Peter Kosyh
Approved by: maintainer (Ian Wagner)
Fixed by: marino@