hgk: colorize commits by authors
Color commits by author. Colors will be assigned to authors by using a configurable list of colors. The line corresponding to current id (the version currently in the working tree) is highlighted in a special font which is also configurable. There is provision to assign fixed colors to authors. See .gitk comment for details.
foo renamed from bar:26d3ca0dfd18e44d796b564e38dd173c9668d3a9
rev offset length base linkrev nodeid p1 p2
0 0 6 0 0 26d3ca0dfd18 000000000000 000000000000
1 6 7 1 1 d267bddd54f7 26d3ca0dfd18 000000000000