Fixed anchors on the Rackspace getting started page.
Replace contributing to jclouds with wiki link and delete the page.
Remove incubator branding

Also add some Apache feather branding, based off of
http://thrift.apache.org/ .
Remove incubator references
Unified mailing list links
Replace text api with API since it is an acronym.
Updating group ID for Chef deps org.jclouds -> org.apache.jclouds
HTML indenting cleanup
Replacing remaining incubator logs with feather

Follow-on from dcd24d0c
Move the feather to the bottom of the page
Better examples for Cloud Servers and Files.