changed makefile abnd tweeks
should compile on linux. added icc makefile.
corrected compile on cygwin
removed verbose debug info use -DDEBUG to show them.
Merge branch 'master' of https://github.com/girino/ptsminer
added CFLAGS option to compile so you can easily pass params to compiler
memset seems no needed.
revert
special optimize for sha512 when message len is 36.
Merge branch 'patch-1'

Conflicts:
	src/intel/sha512_sse4.asm
	src/makefile.unix

merge patch-1