Major rearrange of the documentation.
Updated commands index to show better title.
Small syntax fix in couchDB
Merge remote-tracking branch 'dotcloud/master' into clean-reshuffle
Moved docker-remote-api doc to api section
Merge remote-tracking branch 'dotcloud/master' into clean-reshuffle
Merge pull request #581 from dhrp/actually_rebased_docs

* Documentation - rearranged the documentation so that it is easier to manage and use.