Preparation for point release (microsoft#7268)

Release changes (microsoft#7183)

Update change log

Exclude .env file from extension (microsoft#6872)

Point release - Updated package.json and CHANGELOG (microsoft#6516)

Updates for the 2019.6.0 release. (microsoft#6327)

(for microsoft#5825)

Point release with fixes for debugger and activation of environments (m…

…icrosoft#5939)

* Fixes to activation of Conda environments (microsoft#5934)

* Disable quoting paths sent to the debugger as args (microsoft#5936)

* Disable quoting paths sent to the debugger as args

* Remove unnecessary class

* Fix typo

* Fixes to tests

* Update version for new point release

May point release with fixes for shell detection (microsoft#5925)

* Fixes
* Rename news file
* New point release

Point release with changes to identification of shell (microsoft#5898)

Point release for May release (microsoft#5846)

* Revert "Ensure using request: launch item in launch.json for debugging sends pathmappings (microsoft#5552)"

This reverts commit 1fad96f.

* Update change log

* Update version numbers