Seanmcm/0 21 0 changelog3 (microsoft#2796)

* Change "Fix for" to "Fix" in changelog.

Merge pull request microsoft#2749 from Microsoft/seanmcm/0_20_1_release

Seanmcm/0 20 1 release

Merge pull request microsoft#2725 from Microsoft/master

2nd merge for 0.20.0

Merge pull request microsoft#2697 from Microsoft/seanmcm/0_19_1_insid…

…ers3_merge

Seanmcm/0 19 1 insiders3 merge

Merge pull request microsoft#2681 from Microsoft/master

Update changelog.md. (microsoft#2676)

Merge pull request microsoft#2627 from Microsoft/seanmcm/0_19_1_insid…

…ers_merge

Seanmcm/0 19 1 insiders merge

Merge pull request microsoft#2572 from Microsoft/master

Merge latest changes

Merge pull request microsoft#2427 from Microsoft/master

Update changelog and version for 0.18.1. fwlinks don't need to change…

Merge pull request microsoft#2421 from Microsoft/master

Update changelog. (microsoft#2420)

Merge pull request microsoft#2355 from Microsoft/seanmcm/0_17_8_insiders

Seanmcm/0 17 8 insiders