composer_json as an empty default variable to avoid errors
add composer_path as a variable
Fix path to composer from defaults
Fix .bashrc owner
Add global path to composer
Merge pull request #2 from ViGo5190/export_composer_path

Export composer path to bashrc, fix owner of bashrc, add smth to defaults
Merge pull request #1 from TallerWebSolutions/master

Default variable composer_json and new composer_path variable