Easy way to get local libs in KiCad 4 but without control which version gets installed
If you do not care what version of the KiCad 4 libs is used, then you can use the library wizard and the github plugin with save local on disk. (This will simply be the copy of the current HEAD of the master branch. Updating will not be necessary as the version 4 lib is no longer maintained.)
More details in this tutorial by @bobc: https://github.com/bobc/kicad-doc/wiki/How-to-install-local-Footprint-libraries