Here's the crash report:
http://pastebin.com/xeKGfg99

And here's the log:
http://pastebin.com/6sBZzzBF

The important bit is probably:

[01:31:59] [Client thread/WARN] [FML]: Unable to parse dependency string required-after:Forge@[11.15.1.1724,),after:MineFactoryReloaded
[01:31:59] [Client thread/WARN] [FML]: Zip file simplelabels-1.8.9-0.0.2.jar failed to read properly, it will be ignored
net.minecraftforge.fml.common.LoaderException: Unable to parse dependency string required-after:Forge@[11.15.1.1724,),after:MineFactoryReloaded

Fixed in d0ac8a0 v 0.03