1.5.0 - released 2017-08-08

Changelog

Changed the package install order to ensure that plugins are always installed as soon as possible
Added ability to call composer from within sub-directories of a project
Added support for GitLab API v4
Added support for GitLab sub-groups
Added some more rules to composer validate
Added support for reading the USER env when guessing the username in composer init
Added warning when uncompressing files with the same name but difference cases on case insensitive filesystems
Added htaccess-protect option / COMPOSER_HTACCESS_PROTECT env var to disable the .htaccess creation in home dir (defaults to true)
Improved clear-cache command
Minor improvements/fixes and many documentation updates