Dockeroo

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- Included freeze in release MANIFEST.in.

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- Bugfix release.

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- Updated dockeroo:setup.template to handle default output-path.
- Improved handling of recipe default location.
- Several bug fixes.

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- Introduced sphinx documentation and moved recipes documentation to respective
classes docstrings.
- Fixed dockeroo:machine.create recipe.

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- Added dockeroo:setup.template recipe.
- Added support for render_template filterset.
- Added dockeroo:setup.shell-script and dockeroo:machine.create recipes.
- Removed "decorator" dependency, we're handling everything with functools.wraps.

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- Minor documentation fixes.