Update navigation
themes configuration + broken links in layouts
Merge remote-tracking branch 'origin/DevDocs-20-M8' into sasha_devbeta
Revised front page navigation and set up new books

Conflicts:
	_includes/navigation.html
	guides/v1.0/architecture/arch_whatis.md
	guides/v1.0/architecture/areas/areas.md
	guides/v1.0/config-guide/bk-config-guide.md
	guides/v1.0/config-guide/config/magento-mode.md
	guides/v1.0/extension-dev-guide/test/test_js-unit.md
	guides/v1.0/extension-dev-guide/test/test_object-mgr.md
	index.html
Merge remote-tracking branch 'origin/develop' into DevDocs-20-M8
Updates
Update with fix architecture guide
Updates from alan kent
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	guides/v1.0/frontend-dev-guide/themes/theme-inherit.md
Merge branch 'develop' of github.corp.ebay.com:Magento/devdocs_internal into develop
Merge branch 'develop' of github.corp.ebay.com:Magento/devdocs_internal into develop
Resolve issue with master
revert loopback change
Merge pull request #475 from Magento/develop

Sync PRs and other issues
Fix minor formatting issue
Merge pull request #476 from Magento/develop

Fix minor formatting issue
themes
Merge remote-tracking branch 'origin/DevDocs-20-M8' into sasha_devbeta
themes again+corrections from pull request
PR110 partial fix and other updates