Graphene 2.0.0.Final release notes updates and fixes

* there was old way of JQuery locators
* test case was injected into the page object, it should be other way
  round
ARQGRA-392: update and enhance Graphene guide

* Graphene and Drone version upgraded to Final
* <testResource> need to be preceded with <testResources>
* references for Graphene documentation made more explicit