doc: add missing word to graphite docs

dataproxy: adds dashboardid and panelid as tags

[skip ci]

fixes #8358

Postgres, MySQL, MSSQL minor refactoring/unification

Make golint happier

Alerting: Add retry mechanism

added media breakpoint to legend-right

fix dashboard version cleanup on large datasets

Return actual user ID in UserProfileDTO

Cleanup CircleCI V2 Conversion

[skip ci]

Fix save icon in folder settings

This fixes calls to /api/user where ID is currently always 0

Use the ConvertSqlTimeColumnToEpochMs function to convert any native
datetime data type or epoch time (millisecond precision).
Refactored mysql implementation to make it more similar to postgres
and mssql implementations.
Added $__timeEpoch macro function with same implementation as $__time.
Added possibility to use a time column named time in addition to
the currectly supported time_sec.
Additional tests and update of existing.
Added test dashboard.