Merge pull request github#960 from github/fixes/usagetracker-tick-bg-…

…thread

Use Timer in usage tracker.

Merge pull request github#960 from github/fixes/usagetracker-tick-bg-…

…thread

Use Timer in usage tracker.

Bump version to 2.2.0.10

Merge pull request github#904 from github/fixes/ci-fix-experimental

Don't build an `Experimental` VSIX

Merge pull request github#840 from github/fixes/800-vs2017-clone-api

Use new clone API in VS2017.

Merge pull request github#808 from github/fixes/usagetracker-dispatcher

Ensure UsageTracker time runs on main thread.

Sigh, add this thing again

Bump version to 2.2.0.4

Bump version to 2.1.1.4

Bump version to 2.1.1.2