* Add Version Selector to v1.4
* upgrade to newer header
* change include_cached to include
* move head.html to correct location
* remove seo
* add footer-scripts.html
* turn on global nav
* fix docs nav link
* Add deprecation warning to release-1.4
* remove warning from index.html
* add newlines
* Add Version Selector to v1.4
* upgrade to newer header
* change include_cached to include
* move head.html to correct location
* remove seo
* add footer-scripts.html
* turn on global nav
* fix docs nav link
Andrew Chen