1.1.2.0 soft fork version ONX

soft upgrade

the hard implementation of protocol 70012 failed, this is to soften this

minor fixes for compilations in windows

key blocks are

• 330000 // apply the kgw algorithm patch
• 345600 // apply halving and dgwv3

https://bitcointalk.org/index.php?topic=1934989.msg49979439#msg49979439