added specific dashboards for unix and splunkgit; cleaned up old logic in heatwave.js that was partially moved to the heatwave drilldown module; added specific search queries and drilldown queries for the new dashboards
Merge branch 'develop' of https://github.com/splunk/splunk-heatwave-viz into develop
Merge branch 'develop' of https://github.com/splunk/splunk-heatwave-viz into develop