Serverside Anonymous Usage Tracking

* cleanup init

* add value support

* calendar time

* wip

* wip

* Refactor / cleanup date/time picker

* show hours and am/pm in description

* Pin filter popover to left side to prevent jumping

* misc styling tweaks

* unit picker should properly expand and collapse

* fix current unit toggle

* Let the DatePicker widget pick the default for date fields

* show calendar

* separate between

* fix styling on selection options

* fix pluralization

* fix operator selector

* Add dual calendar mode

* calendar behavior fixes

* calendar spacing

* tweak between view

* placeholder fix

* run dev with one command

* update script

Only scroll AccordianList to selected element if it's not visible.

Fix broken link about segments and metrics

Add warnings when graphing unaggregated data or truncated rows

Expression aggregations for SQL drivers

Test fixes & cleanup [ci drivers]