Have my log.
As you can see, it fails, telling me it can't grab the minecraft files. Basically. I think.
I did do the changes in my dev.json (which is located in my roaming/.minecraft... is that correct?) and also searched the interweb and the forum for a solution.
Iz diz mienkraft problim? Or iz i stupid?
I was happily setting up the forge stuff, for use in mah eclipse, as usual, and without doing anything in eclipse, it tells me it has 11 errors. If i try to start minecraft (via eclipse), first thing it tells me is it can't find the launchWrapper-thingy. So basically, it does not even know how to minecraft. (Bro, do you even minecraft?)
First one to get it working for me gets 10 Dogecoins, yay!