Updated index to reflect new (short) 'engine' message (merged with solomon's new text), also moved around the layout a bit and fixed some small text errors.
Implemented  command
missing comma
Fixes bug when pulling an official image (no user namespace) with a specified tag
CouchDB example page was titled redis
Added doc page for new search command
Added actual doc file
Merge pull request #542 from dotcloud/docker-search

+ Registry: Add docker search top level command in order to search a repository
Merge pull request #535 from dhrp/website_update

* Documentation: updated www.docker.io website.
Merge pull request #544 from DanielVF/master

- Documentation: Fixed CouchDB example page header mistake
Merge pull request #543 from dotcloud/pull-official-tag-fix

- Registry: Fix pull for official images with specific tag