Version 1.7.0

Next release ;-)
Now it contains a config file, so that you can select the colors, I removed the
stupid files from gedit (main.c~) and so on, because I am now using Atom from
Github:

https://atom.io/

Also some performance improvemensts


Signed-off-by: Marius Messerschmidt <marius.messerschmidt@googlemail.com>