Merge pull request #611 from rustyswayne/1.1.0

1.1.0 Released
Merge remote-tracking branch 'merchello/1.1.0'
Merge remote-tracking branch 'merchello/master'
Updates AuthorizeNet provider to use NuGet package from NuGet.org
Merge pull request #612 from rustyswayne/1.1.1

Updates AuthorizeNet provider to use NuGet package from NuGet.org