moved the query color to a header, with a similarly colored title for the series
Reverted to the previous "dot only" style of labeling the query a tooltip was referencing
when the query is not aliased.
Make alerts unique, wip
Check if alert exists already. Closes #442
Merge pull request #447 from rashidkpc/singleAlerts

Duplicate alerts should not stack up
added a tooltip settings section to the histogram settings editor. Currently the only setting defines which value is displayed on stacked charts.
Merge remote-tracking branch 'spencer/tooltip-settings' into tooltip
Add question mark icon for tooltip
Merge pull request #450 from rashidkpc/tooltip

Tooltip stacked values separation option
added tip directive for defining question mark tooltips
Merge pull request #451 from rashidkpc/master

added tip directive for defining question mark tooltips
Added a checkbox to the tooltip's settings that will cause the query to be displayed in the case an alias is not set.
Merge pull request #452 from spenceralger/tooltip-header

Tooltip series identifier