fix product dropdowns not populating on first chart load if search did not return any results.
Added series hiding by clicking on legend to some custom charts.
Added ability to allow productid replacement tokens in custom queries
Removed reference to polyfill.io
small change in behavior of hiding toolbar
Changed the auto refresh interval from 10s to 3minutes. Memory leak when imbedded in desktop application would cause it to crash.
Fixed unrelated charts being completely reloaded when auto-refresh was turned on for a scatter plot chart
changed environmental variables to be consistent across presage web apps for portainer stack setups DBHOST -> MYSQLHOST DBNAME -> MYSQLDATABASE