fix installing with quotes in the sitename, and Concrete->concrete5
fix installing with quotes in the sitename, and Concrete->concrete5

avdevs/concrete5,TimDix/concrete5,matt9mg/concrete5,MichaelMaar/concrete5,MichaelMaar/concrete5,TimDix/concrete5,TimDix/concrete5,matt9mg/concrete5,avdevs/concrete5,avdevs/concrete5,matt9mg/concrete5,MichaelMaar/concrete5