added inital CONTRIBUTING.md copied from the docs
typo
Fix default box-original-group
Merge pull request #1198 from workbandits/stable

Fix default box-original-group
fixed broken test caused by #1191
Merge from stable
Merge branch 'master' into css3

* master:
  fixed broken test caused by #1191
  Fix default box-original-group
  typo
  added inital CONTRIBUTING.md copied from the docs