Merge pull request #588 from KevWright/master

Remove test text
Merge pull request #589 from KevWright/master

Removed some spaces and fixed title case
Added a scalability section to FAQ
Merge pull request #590 from cfengine/scalability

Added a scalability section to FAQ
reference/design-center/sketch.markdown: remove old content and give new upgrade instructions
Merge pull request #592 from tzz/sketch-structure-3.6.0

reference/design-center/sketch.markdown: remove old content and give new...
Merge pull request #593 from KevWright/master

Updated intro and platform support including Windows
Added more platform notes
Added platform file
Added platforms page
Merge branch 'master' of https://github.com/TekHus/cfengine-documentation
Marged in supported platforms and moved to correct place
Merge pull request #125 from TekHus/master

Fixed issue with platform docs