Hybridise MWTemplateNode

* Create MWTemplateBlockNode & MWTemplateInlineNode (in ce and dm)
* Move Alien's 'isInline' code to ve.dm.Node.static.isHybridInline
* Move definition of ce.AlienBlock/InlineNode inside ce.Aline.js file
  to match dm.AlienBlock/InlineNode and MWTemplate
* Duplicate AlienBlock/Inline styles for templates
* Create test case for inline templates
* Count test cases in ve.dm.Converter.test.js automatically

Change-Id: Id9bc7f049ea974dd5e7f8b7a66080939e0948bbd