Have complete Release binary of eth++ for all OSes

[LefterisJP]

This will act as the umbrella issue for the urgent task ahead of us. The frontier release is right around the corner and we need binaries of the headless eth client (C++ CLI client) for all OSes.

• Windows should build Win64, not Win32
  • Should be possible after Second attempt at Win64 instead of Win32 #46
• Release build for all OSes
• eth++ is build and packaged instead of only AZ
  • For Windows: Attempt to package also eth CLI for Windows #43
• succesfull binary with -DJSCONSOLE=1
• succesfull binary with -DETHASHCL=1
• succesfull binary with -DEVMJIT=1