Due to changes closing #11306

Added new versions of images and new images to better highlight the possible
configuration options.
Documentation was very outdated so tried to fix that to better reflect the
current state/latest release.

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.

Use the ConvertSqlTimeColumnToEpochMs function to convert any native
datetime data type or epoch time (millisecond precision).
Additional tests and update of existing due to timezone issues
running postgres on UTC and dev environment on non-utc.
Added test dashboard.

Use the ConvertSqlTimeColumnToEpochMs function to convert any native
datetime data type or epoch time (millisecond precision).
Additional tests and update of existing due to timezone issues
running MSSQL on UTC and dev environment on non-utc.
Update stored procedures test to handle more parameters.
Update test dashboard.

Removes the macro function . Macro functions should not do UTC/timezone conversion - they should
work in the same way as postgres and mysql datasource implementations.
Grafana and Microsft SQL Server should be run on servers with UTC timezones.

Earlier the division of interval was done using whole numbers resulting in that important information
was lost/too many time series merged to the same group. Now using division of floating point and rounding
up to solve the problem

small screen legend right also work like legend under in render + set scrollbar to undefined in destroyScrollbar so it doesnt become disabled when toggeling between right and under

Make golint happier