[gpm] power history / estimated time graph

["Harald Schilly" <harald schilly gmail com>]

hello

i don't want to search through all your pages if this isn't already an
issue - just a simple feature change: please start the "estimated
time" graph always at 0 in the y-time axis. displaying a brown line
from top to bottom from 2h30 to 2h20 after some minutes makes no
sense. absolute scaling is much better!

but this tool is very nice indeed, i like it!

harald (using v2 20 0 ubuntu 7.10)