* filter out all nan series (apache#7313)

* improve not rich tooltip (apache#7345)

* Create issue_label_bot.yaml (apache#7341)

* fix: do not save colors without a color scheme (apache#7347)

* [wtforms] Strip leading/trailing whitespace (apache#7084)

* [schema] Updating the datasources schema (apache#5451)

* limit tables/views returned if schema is not provided (apache#7358)

* limit tables/views returned if schema is not provided

* fix typo

* improve code performance

* handle the case when table name or view name does not present a schema

* Add type anno (apache#7342)

* Updated local dev instructions to include missing step

* First pass at type annotations

* [schema] Updating the base column schema (apache#5452)

* Update 937d04c16b64_update_datasources.py (apache#7361)

* Feature flag for client cache (apache#7348)

* Feature flag for client cache

* Fix integration test

* Revert "Fix integration test"

This reverts commit 58434ab.

* Feature flag for client cache

* Fix integration tests

* Add feature flag to config.py

* Add another feature check

* Fix more integration tests

* Fix raw HTML in SliceAdder (apache#7338)

* remove backendSync.json (apache#7331)

* [bubbles] issue when using duplicated metrics (apache#7087)

* SUPERSET-7: Docker compose config version breaks on Ubuntu 16.04 (apache#7359)

* SUPERSET-8: Update text in docs copyright footer (apache#7360)

* SUPERSET-7: Docker compose config version breaks on Ubuntu 16.04

* SUPERSET-8: Extra text in docs copyright footer

* [schema] Adding commits and removing unnecessary foreign-key definitions (apache#7371)

*  Store last selected dashboard in sessionStorage (apache#7181)

* Store last selected dashboard in sessionStorage

* Fix tests

* [schema] Updating the base metric schema (apache#5453)

* Fix NoneType bug & fill the test recipients with original recipients if empty (apache#7365)

* feat: see Presto row and array data types

* fix: address PR comments

* fix: lint and build issues

* fix: add types

Merge remote-tracking branch 'apache/lyft-release-sp8' into merge7391ToMaster

Merge remote-tracking branch 'origin/viz363Feedback' into merge7391ToMaster