Auto merge of #3507 - alexcrichton:appveyor-new-deploy, r=alexcrichton
Auto merge of #3507 - alexcrichton:appveyor-new-deploy, r=alexcrichton

Remove extraneous .BaseName from AppVeyor

Apparently this isn't necessary

rustyhorde/cargo,eminence/cargo,achanda/cargo,tsurai/cargo,tshepang/cargo,sbeckeriv/cargo,nipunn1313/cargo,vojtechkral/cargo,vojtechkral/cargo,rust-lang/cargo,tsurai/cargo,vojtechkral/cargo,sbeckeriv/cargo,achanda/cargo,eminence/cargo,achanda/cargo,tsurai/cargo,tshepang/cargo,tshepang/cargo,rustyhorde/cargo,vojtechkral/cargo,sbeckeriv/cargo,rustyhorde/cargo,tshepang/cargo,nipunn1313/cargo,durka/cargo,durka/cargo,nipunn1313/cargo,durka/cargo,rust-lang/cargo,rust-lang/cargo,rustyhorde/cargo,nipunn1313/cargo,rust-lang/cargo,tsurai/cargo,tsurai/cargo,eminence/cargo,durka/cargo,achanda/cargo,sbeckeriv/cargo,eminence/cargo