Rearrange home page feature list, add Capstan

Signed-off-by: Don Marti <dmarti@cloudius-systems.com>
Add deploy time advantages to Capstan blurb

Signed-off-by: Don Marti <dmarti@cloudius-systems.com>
Low overhead, flexible deployment

Reword Capstan advantages blurb.

Emphasize best of both worlds aspects of Capstan.  Low
overhead like a container, but real virtualization so
that you can deploy anywhere.

Signed-off-by: Don Marti <dmarti@cloudius-systems.com>
Say "cloud" instead of "hypervisor"

Signed-off-by: Don Marti <dmarti@cloudius-systems.com>
Merge pull request #34 from dmarti/capstan-blurb

Rearrange home page feature list, add Capstan