Iterate over the right env override list variable

fix(inspector): lots of improvements and fixes for the error inspector, now shows you request details and responses in many more cases, fixes #2646

fix(influxdb): fixes and refactorings of influxdb 0.9 editor, no longer shows template vars in keys dropdown and group by dropdownm, fixes #2636

influxdb doc: typo fixed

fix(graph tooltip): multi series tooltip did no highlight correct point when stacking was enabled and series were of different resolution, fixes #2620

Use SPDB license id

This avoids an npm warning telling you to use such an id.

updating the limit of returned tagvs in a MetricKeyLookup

fix(panel links): fixed panel height issue when using panel links, could cause strange panel flow, fixes #2576

fix(shutdown flow): improved shutdown flow and log closing, listing to kill and and SIGTERM as well, closes #2516

fix(opentsdb): blur event triggered twice for metric selector, caused double query to opentsdb after metric name change