Enabled the docs to generate manpages.

* changed conf.py to reference toctree.rst instead of index
* Added note to README to upgrade your sphinx to the latest version to prevent a bug with .. note:: blocks.
Updated docs README with instructions to preview the generated manfile, and where to get the one generated by sphinx.
Some more improvements on the docs readme. Removed references to website.
Update amazon.rst to explain that Vagrant is not necessary for running Docker on ec2
Update version.
Merge pull request #1303 from dhrp/update-spinx-for-man

Enabled the docs to generate manpages.
Fixed some typo's and formatting issues in remote api documentation.
Merge pull request #1418 from dhrp/remote_api_doc_improvements

Fixed some typo's and formatting issues in remote api documentation.
Merge pull request #1387 from joevandyk/patch-1

Update amazon.rst to explain that Vagrant is not necessary for running Docker on ec2
Update utils_test.go
Change daemon to listen on unix socket by default