ENYO-2057: Move Drawer from layout library to enyo/ui, Move Drawer sample from onyx to enyo

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Jenkins build script for enyo-github-nightly

Jenkins build script for the enyo-github-nightly job. This script is
intended to only be run in the context of the Jenkins environment!
Jenkins build for enyo-github-build job

Jenkins build script for enyo-github-build job. This script is intended
to be executed only in the context of the Jenkins build system!
Update README.md