Objective:
* Add button to launch template dialog
* Add template dialog
Changes;
*.php
* Add messages and links to files
ve.ce.Node.css
* Make inline templates display as inline-block to contain their
contents (allowing shields to work properly)
ve.ui.MWTemplateDialog.js
* New empty dialog for templates
ve.ui.MWTemplateButtonTool.js
* New template button, appears in context and launches dialog
Change-Id: I9174ed7c9012522246a6defc859276bf36763f5b
