avoid include_once when we are sure the class doesn't exist
Update composer vendor-dir and bin-dir to match JPlatform locations of libraries and bin
Fix a problem where using a non-string value for path caused all files to be deleted.
Merge pull request #1798 from elinw/jfolderdelete

Fix a problem where using a non-string value for path caused all files t...
Merge pull request #1794 from florianv/once

Avoid include_once when we are sure the class doesn't exist
Merge pull request #1796 from dongilbert/composer

Update to composer.json
Merge pull request #11 from joomla/staging

Staging