Add MBQL :share clause

Merge 0.32.2 into master

Fix 9090 on release branch; tests for fix

fix dashboard single date filter

Fix for dashboard multiseries with same column names

Fix Quartz scheduler when Metabase application DB connections use SSL

Fix typo in text: "awhile" to "a while"

Fix HTTP auth for dev instances with HTTPS site URLs

Allows omitting the port in MB_DB_CONNECTION_URI when using Postgres and
MySQL.

Defaults to port 5432 for Postgres and 3306 for MySQL.

Allow omitting port for Postgres and MySQL

Add missing word to 03-basic-exploration

Merge 32