Fixed links to lab 7 branch in readme
Upgraded WebStorm 6 --> 8
Modified Jakefile to fix PhantomJS permissions before running CasperJS
Upgraded big-object-diff 0.5.0 --> 0.7.0
Factored out showTooltipUsingExistingHelperLayer()
Moved tooltip button declarations to top of _showElement()
Factored out createHelperLayerAndShowTooltip()
Modified showTooltipUsingExistingHelperLayer to use closure rather than return
Flipped 'if oldHelperLayer' statement
Modified showTooltipUsingExistingHelperLayer to use 'self' not 'this'
Factored out setButtonClassesAndSkipButtonLabel()
Factored out positionTargetElementAboveTooltip() and scrollToTargetElement()
Condensed variable declarations
Modified readme for part 3
Merge branch 'lab6'