Internalise the feature pages/images/links

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Remove redundant contents section

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Import xapi architecture diagram

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Import images for xapi design docs

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Import internals for xapi futures

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Remove contents section and fix links in xenopsd overview

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Import images and fix links in Xenopsd architecture

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Merge pull request #7 from simonjbeaumont/internalise-more-things

Import remaining images and fix up links to internal pages