bump version

Update safecoin.h

Merge branch 'master' of https://github.com/Fair-Exchange/safecoin

Merge pull request #44 from OleksandrBlack/master

bump version build v1.6.1-1

Merge pull request #43 from OleksandrBlack/master

 bump version v1.6.1

checkpoint

interest cleanup continued

Merge branch 'safedev'

port fix

new base