- Support quiet option on ninja-deplist-helper.
- Add "overprint" mode to ninja when attached to a console.
- Fix slash handling in creating output directories.
- Merge response file support from master branch
Review URL: https://chromiumcodereview.appspot.com/9539015

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@124266 0039d316-1c4b-4281-b951-d872f2087c98