build and docs update for release 2.1.6

implemented jbaysolutions#34, 2.1.5 release

updated docs for release 2.1.4

2.1.3 release

2.1.2 release

updated changelog, version bump to 2.1.1

added events example, updated readme and changelog

updated current version

missing vue.min.js

bugfix with grid width not being updated in some cases