Adjusted build for Mac to compile on newer versions. Fixed error with MacDockIconHandler based on changes done to Bitcoin-QT https://github.com/bitcoin/bitcoin/commit/fee10d800e2599962f2960ddf27963c2f3768bd0
Updated logo based on community voted icon from forum
Adjusted the popup message to match the required number of confirmed blocks for generated blocks
Merge pull request #1 from TheRickTM/master

Updates for Mac, Icon and Labels