Merge branch '7.x' into 7.x-pimple
identify drupal scripts in composer.json.
use bootstrap interface to allow non-pimple bootstraps to work.
Merge branch '7.x' into 7.x-pimple
remove autoload.
remove changes to gitignore.
remove remaining differences from 7.x
Merge branch '7.x-pimple' into 7.x-silex