attempt to clarify bootstrap licensing post 3.1
attempt to clarify bootstrap licensing post 3.1

Feel free to use totally different text, just thought i'd get it out there.
braincrafted/bootstrap-bundle,braincrafted/bootstrap-bundle,althaus/bootstrap-bundle,bigfoot90/bootstrap-bundle,lashus/bootstrap-bundle,lashus/bootstrap-bundle,bigfoot90/bootstrap-bundle,bigfoot90/bootstrap-bundle,braincrafted/bootstrap-bundle,althaus/bootstrap-bundle,althaus/bootstrap-bundle,lashus/bootstrap-bundle