Move vendor/Joomla to src/Joomla. Update necessary paths.
Remove jimport from filesystem package
Exclude some files we only need in the repository from the ZIP files generated by GitHub.
Remove the IS_WIN constant.
Removed unreachable statement
Removed unreachable statement
Fixing stuff after move.
Code cleanup based on PhpStorm inspector
Add composer installation instructions to each package. Closes #13
PHPCS cleanup
Make the package unit tests run really standalone.