linkedin/hopscotch — pull request #126 by kate2753 (2014-09-11 21:13:41+00:00)
Title: #116 Revert defuault z-index to empty vs auto

Set z-index to an empty string if it is not provided in config. This will allow for z-index specified in CSS to apply.

Also updated to the newer version of sinon and updated unit test to test this case.