spelling fixes
refine home page bg color
Improvement to the CLI installation guide
Merge branch 'master' of https://github.com/cloudify-cosmo/getcloudify.org
Add what's next
Change commands to use pypi
OpenStack tutorial
Merge branch 'master' of https://github.com/cloudify-cosmo/getcloudify.org

Conflicts:
	guide/3.0/quickstart.md
Merge branch 'master' of https://github.com/cloudify-cosmo/getcloudify.org
code highlight improvements
Merge branch 'master' of https://github.com/cloudify-cosmo/getcloudify.org