Creating branch from HEAD revision

Subversion-branch: /branches/highcolor
Subversion-revision: 2747
Changes for abortive attempt at high color, with an interesting idea to
isolate it from the game engine, but unfortunately this means all
blending is broken.

Subversion-branch: /branches/highcolor
Subversion-revision: 2748
Merge from trunk

Subversion-branch: /branches/highcolor
Subversion-revision: 2759
Merge from trunk to highcolor

Subversion-branch: /branches/highcolor
Subversion-revision: 2763
Merge from trunk

Subversion-branch: /branches/highcolor
Subversion-revision: 2765
Merge from trunk

Subversion-branch: /branches/highcolor
Subversion-revision: 2775
Oops?

Subversion-branch: /branches/highcolor
Subversion-revision: 2778
Merge from trunk

Subversion-branch: /branches/highcolor
Subversion-revision: 2787
Merge from trunk for ConSiGno

Subversion-branch: /branches/highcolor
Subversion-revision: 2829