Do not keep key when mining to specific address
Fix incorrect generated amount in explorer
json rpc mining (not tested)
Minor fixes
Add parameter to simplify mining
Merge branch 'master' into cpuminer1.2
Version 9.14.4
Merge branch 'master' into cpuminer1.2
Merge remote-tracking branch 'remotes/origin/cpuminer1.2' into cpuminer1.2