Merge pull request #86 from magento/develop

Merge pull request #85 from magento/master
Update README.md
Merge pull request #442 from Magento/develop

Integrate fixes and minor edits to install guide, architecture, and delete unneeded files.
Merge pull request #444 from Magento/develop

Develop
Merge pull request #446 from Magento/DevDocs-19-M8

Remove duplicate "areas" section
Merge pull request #447 from Magento/develop

Merge pull request #445 from Magento/DevDocs-19-M8
Merge pull request #448 from Magento/develop

Change link to "Edit this page on GitHub"
Merge pull request #449 from Magento/DevDocs-19-M8

Change link to "Edit this page in GitHub"
Merge pull request #452 from Magento/develop

Sync with develop before publishing for dev beta release
Merge remote-tracking branch 'upstream/master'

Conflicts:
	.gitignore
	README.md
Merge pull request #453 from Magento/develop

Final content updates for developer beta release
Merge remote-tracking branch 'upstream/master'
Delete _config.yml
Merge pull request #454 from Magento/develop

Hot fix: Remove running composer install from setup, remove separate DB
Merge remote-tracking branch 'upstream/master'
Update README.md
Update README.md
Merge pull request #455 from Magento/develop

Update Release Notes with samle data instrux and other updates
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README.md
Update override.css