v2.17.8

From: Martin Sechny, shenk.sk

• add missing optional textcolor property in mrtg.cfg
• automatic value for textcolor (if null) with good contrast for every
  Background property value (default black text on white background)

From: renatocfrancisco

• update README.md

From: vcrhonek

• fix mrtg-traffic-sum incorrectly ignores '--man' option

From: leoreginin

• add support for Alcatel and Datacom to cfgmaker

From: cheese1

• small typo

Note: mrtg-2.17.8.zip contains a win32 reatup.exe