This reverts commit d10da8a9.

Drag on line/area/bar chart to filter

Fix a bunch of broken doc links

* add image files and get new text in there

* modal content + refactor

* update illustrations and remove redundant one

* add tests

* add images

* button text tweaks

* padding

* update user guide images

* correct a typo

Driud -> Druid

* update the list of supported data sources

* add Presto to supported databases

* update the Google Analytics question

* Update faq.md

* Update faq.md

Fix React component Flow types

* add some padding

* align and use ml1

* positioning tweaks + outlined icon

Rename 03-setting-up-email.md to 02-setting-up-email.md

Table layout improvements

Fixes deadlinks to http://www.metabase.com/docs/latest/administration-guide/02-setting-up-email.html, which is currently a 404.