Update release process

[mattstratton]

Few items in here:

• Add Appveyor as well as Travis
• rpm Create release process that generates rpm #21
• deb package Create release process that generates deb package #20
• inno package for windows Create release process that generates msi package for windows #19
• brew package Create release process that generates brew capability #18
• upload deb and rpm to bintray Upload rpm and deb packages to bintray #35
• Migrate from Travis to CirceCI Migrate from Travis to CirceCI #138