Revert "test"

This reverts commit 692d8561e4082aee8ef04732e324debe9fd9ec9d.
Revert "fixed group pull when creator is nil"

This reverts commit a7d0cd5f1ac923eabc54e81fe0d925ee6e237d7e.
Revert "added datetime select for start and end"

This reverts commit 85ab7031aebcad24fd8e9cff1f721bbb716f28c8.