Sprint 2 - commit 2
includes
-article:simple using article_key column and /article_key/ pattern to recognize
-navigation helper class which will help in using navigation templates
-css fix for template tabs and accordian icons
Merge branch 'develop' of https://github.com/contento3/Projects into develop

Conflicts:
	cmsadmin/WebContent/VAADIN/themes/contento3/styles.css