Partial cleanup up of base SCSS
Changed dist/demo directory to dist/demos to align with existing v3.1 folder structure
Now generating license files and update generated home files
Merge pull request #3259 from pjackson28/basecsscleanup

Partial cleanup of the base SCSS and now generating the home and license pages
Updated build to move assets and plugin files to the new dist/demos directory
Merge pull request #3260 from pjackson28/demosbuildtweak

Updated build to move assets and plugin files to the new dist/demos directory