Instrument 0.20

Fix table card link

Fix SQL button logic

Add extra logging for DB setup during launch 

shortened sql remarks for consistency with MySQL 5.1

GSG docs updates

* fixes

* fix popover padding

* fix undefined CSS module dependency

* remove padding

* no need for select classes here

* show sections with empty state content

* more tweaks

* more cleanup

* only show sections that have content

* use your words

* they aren't arrays

* change 'raw queries' to 'SQL queries'

* standardize confirm content

* admin edit header

* autosize columns

* Update react-virtualized to version 8 to prevent conflict with .Grid selectors

* shrinkwrap

* cleaner subtitle hiding

* remove unused reference

Make bar chart hover consistent with other charts

Fix login redirect

Fix faded dashcards when switching dashboards

Fix overeager metadata loading in datamodel

Metrics segments fixes

Fix viz error logic

add docs for GSG feature [ci skip]

Show db name in SQL editor if you have a single DB. 

Don't reload dashcards that have unmapped filters