Merge pull request #477 from Sitecore/issue/476/system-buffers-reference

[closes #476] Change approach to fixing System.Buffers reference issue

Merge pull request #475 from Sitecore/issue/474/sitecore-92

Habitat v1.8

clear any existing global nuget sources

Merge pull request #358 from Sitecore/feature/v9

Closes #389

Updated FakeDb

Merge pull request #324 from Sitecore/feature/fake-tracking

Fake analytics data

Merge pull request #264 from Sitecore/feature/content-update

General content update

Helix workshop

use shell website instead context site for restore mongo

Fixed merge issue for parameters template