Removed close connection function
Added warning if you don't have analytics profile yet
Show warning when you use a manual UA code
Updated chosen with search in optgroup
Merge pull request #198 from Yoast/hotfix/PVWOR/521

Several hotfixes
release notes and version bump
Merge pull request #199 from Yoast/5.2.1

release notes and version bump 5.2.1