Move to docs for 0.7.0. Includes YAML GS and new Location section.

[jdtoy]

• GS split to 1) Download and Deploy, 2) Catalog and Polices
• brooklyn.properties small tidies
• many screenshots added
• YAML sample moved to include file
• Deprecated help file contents removed.

[buildhive]

Brooklyn Central » brooklyn #2306 SUCCESS This pull request looks good (what's this?)

[ahgittin]

good improvements. merging. and will release to snapshot space.