Graph: series tooltip length check
Graph: fix for legend values min & max, avg & current when series only has null values, Closes #923
Graph: fix for legend values min & max, avg & current when series only has null values, Closes #923
Merge branch 'master' of github.com:grafana/grafana
Graph: removed console logs
Graphite: added second optional parameter to averageSeriesWithWildcards, Closes #926
Merge remote-tracking branch 'upstream/master'