pass_gen: added Office_2007.  functionized get_salt, get_iv, get_content
BFEgg: adjusted OMP_SCALE, removed a FIXME
bitcoin: improved valid() and removed many FIXMEs
pbkdf2-sha512-opencl: switch uint64(32)_t to ulong/uint, some other cleanup changes
7z: improved valid(), removed many FIXMEs
cloudkeychain: use better pbkdf2, updated valid(), removed many FIXMEs
cloudkeychain: Added SIMD code to the PBKDF2-sha512