Re-added tool scripts for NuGet analyzer installation in VS 2017 solu…

…tion.

Update version to 4.8

Updated version to 4.6

Updated version to 4.2.

Updated version to 4.1

Set explicit solution file name.

Update to version 3.2

Restored "Copy to output directory" flag for RefactoringEssentials.nu…

…spec.

Updated version to 3.0.

Updated version to 2.1.