Move vendor/Joomla to src/Joomla. Update necessary paths.
Exclude some files we only need in the repository from the ZIP files generated by GitHub.
Change Uri to UriInterface
Renaming files.

Author:    Ian MacLennan <ianlenmac@gmail.com>
Committer: Ian MacLennan <ianlenmac@gmail.com>
Fixing tests and code to accommodate class name changes.
Code cleanup based on PhpStorm inspector
Add the possibility to send a body with a DELETE request.
Verify the class exists before checking if it is supported
Add tests for HttpFactory
Merge pull request #151 from elkuku/Github

Update J\GitHub for latest GitHub API changes
Add composer installation instructions to each package. Closes #13
Make the package unit tests run really standalone.