Improve cleanup for empty platforms directories (2).
Fix cleanup for drush aliases in sub-accounts.
Improve cleanup for empty platforms directories (2).
Fix cleanup for drush aliases in sub-accounts.
Merge branch 'refs/heads/master' into 2.2.x-legacy
Latest hotfix added on: Fri Aug  8 16:39:42 PDT 2014
Merge branch 'refs/heads/master' into 2.2.x-legacy