Fix expanding 2 nodes at once (microsoft#1568)

* fix race condition when expanding 2 nodes at once

* dont update current node but just the children

* fix bug

fixed leading tabs when copying multiple selections (microsoft#1562)

* fixed leading tabs when copying multiple selections

* add tabs in the end as well

* remove space from tab

Add row count to status bar (microsoft#1557)

* add row count to status bar

* review comments

fixed double scrollbars for both resizing and toggle (microsoft#1559)

Editor/icons (microsoft#1556)

* added run query icon

* add icons to editor for run and cancel query

Product changes (microsoft#1547)

* update coveralls badge to take coverage udpates

* update license

* update release date

* add azure account extension to thirdparty

* add 1.8 changes to changelog

* update release date

* remove azure from third party notice

Increase code coverage (microsoft#1546)

* added some more tests

* more coverage

* remove empty test

* add run query test

* add more utils and connection store tests

* add server status view tests

* service installer util tests

* added more OE tests

* fix timer tests

fix query focus for all scenarios (microsoft#1543)

update readme (microsoft#1531)

Add more tests (microsoft#1516)

* add tests for firewall service

* add language service tests

* fix maincontroller tests on azure

* fix tests