use gitx coloring scheme for reference labels
draw a slyghtly rounded rect around reference labels
don't use bold font in history labels
use original paint method to draw text (highlights it correct when selected etc.)
use light gray as default color and a lighter green (again from gitx)
draw label rects with gradient background and without borders
more vivid coloring of graph
limit gradient to max 30px wide
eliminated repetitive colors
moved laneColor() to the right place
preparing to outsource ref-type coloring
typo
fade colors in and out
use slightly different colors to prevent …
… fade into white
… no fade at all
cleanup a little
use default size policy for HistoryView
Merge pull request #94 from macgitver/nf/f/history-ref-colors

coloring ref. labels within history