Issue #2298537 by gordon: Fixed Drush Rollback bootstrap set to DRUSH_BOOTSTRAP_DRUPAL_FULL.
Issue #2312075 by cthos: Add --ignore-highwater option to drush imports
Issue #2312075: Update CHANGELOG
Issue #2286019 by Dane Powell: Fixed MongoDB property deprecated.
Merge branch '7.x-2.x' of git.drupal.org:project/migrate into 7.x-2.x