Merge pull request #2717 from magento-pangolin/RE-develop-pr

[pangolin] RE-develop functional tests

 - MC-244: Admin should be able to create a simple product using a custom attribute set
 - MC-288: Admin should be able to update existing attributes of child products of a configurable product
 - MC-290: Customer should be able to change chosen options for Bundle Product when clicking Edit button in Shopping Cart page
 - MC-168: Admin should be able to assign attributes to an attribute set
 - MC-189: Admin should be able to add images of different types and sizes to Simple Product
 - MC-291: Customer should be able to see chosen options for Bundle Product in Shopping Cart when Option Title is edited in Admin
 - MC-194: Admin should be able to unassign attributes from an attribute set
 - MC-168: Admin should be able to assign attributes to an attribute set
 - MC-225: Admin should be able to save and publish a bundle product
 - MC-215: Admin should be able to change a bundle product status to Enabled/Disabled
 - MQE-1063: Make MC-115 and MC-200 more robust
 - MQE-976: Tweak annotations for all existing tests

Author: okolesnyk