New betatest packages for sgminer/cgminer with fixed idlebug and added extranonce subscription for better performance when working on NiceHash.

Source sgminer:
git clone -b idlebug https://github.com/bitbandi/sgminer

Binaries sgminer:
https://www.dropbox.com/sh/bk63p5ucyhpid2t/aWhA2KsVZx/sgminer-idlebug

Source modded cgminer 3.7.2:
git clone -b cgminer-master https://github.com/bitbandi/sgminer

Binaries modded cgminer 3.7.2:
https://www.dropbox.com/sh/bk63p5ucyhpid2t/XEH3qIVFaZ/cgminer-kalroth

Please test them and report back any bugs.