3.1 Release

*Added New Pool Nicehash for manual and auto mode
*Added GatelessGate for AMD (thxs to Imaminer)
*Removed some duplicated algos
*Moved HMQ1725 from ccminer tpruvot to ccminer 2.2 (slower but a lot of reject less)
*Fixed: Dual mining problems
*Fixed: screen resize error
*Fixed: benchmark not ending for AMD plattform