Chore: Use consistent directory path
Chore: Use consistent directory path

Only when a install directory was not specified, was the CWD prepended to `$directory`. This change provides consistency in paths displayed to the user.
johnstevenson/composer,composer/composer,fabpot/composer,stefangr/composer,stof/composer,nicolas-grekas/composer,staabm/composer,alcohol/composer,milleruk/composer,floverdevel/composer,pierredup/composer,naderman/composer,localheinz/composer