Revert "Merge site_install.." in favor of pull request.
Revert "Merge site_install.." in favor of pull request.

This reverts commit ac68839497d34e437865fce2d6e3ede04892b980.

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