Merge pull request #710 from magento-dragons/pr-22-develop

Fixed issues:
- MAGETWO-58174: When catalog is being indexed it should index in place or leverage an index alias so store can still function during a long index run
- MAGETWO-61829: SOAP/REST tests fail on develop branch but builds are green
- MAGETWO-62387: Travis Build Fail - 2.2.0
- MAGETWO-59990: Disable child product doesn't work in Configurable variations grid
- MAGETWO-58701: memory_limit issue after running customer_grid indexer
- MAGETWO-61159: Configurable Product visible on the Category when options are Out of Stock and Disabled