hgk: added setting of foreground colour
Added the fgcolor setting read by hgk to change the text colour in the
diff output and the file list. The colours for diff highlighting
remains unchanged.
Basic install:
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
See http://www.selenic.com/mercurial/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.