Adjusted PDFCreator install script to not remove settings on upgrade.
Adjusted PDFCreator install script to not remove settings on upgrade.

octomike/chocolatey-coreteampackages,lennartb-/chocolatey-coreteampackages,AdmiringWorm/chocolatey-coreteampackages,AdmiringWorm/chocolatey-coreteampackages,octomike/chocolatey-coreteampackages,lennartb-/chocolatey-coreteampackages