Modify instructions to install globally.
Modify instructions to install globally.

mattfield/complexityReport.js,fracmak/complexity-report,jared-stilwell/escomplex,philbooth/complexity-report,fracmak/escomplex,philbooth/escomplex,iankronquist/escomplex,escomplex/escomplex,jared-stilwell/complexity-report,maxdow/escomplex