Optimized the iterated SHA256 in pwsafe-cuda
Merge branch 'bleeding-jumbo' of https://github.com/magnumripper/JohnTheRipper.git into bleeding-jumbo
Merge branch 'bleeding-jumbo' of https://github.com/magnumripper/JohnTheRipper.git into bleeding-jumbo
Cleaned up and optimized pwsafe cuda and opencl
Updated some copyrights of updated files
fixed the multiple gpu revert issue
Merge pull request #208 from bwall/bleeding-jumbo

GPU optimization and code clean[revised]