check if entity is in any group before checking if it is in specific group (was NullPointerException)
Revert "check if entity is in any group before checking if it is in specific group (was NullPointerException)"

This reverts commit 42855a9cf43751b0571174c4e6dd42e193097a4c.
check if entity is in any group before checking if it is in specific group (was NullPointerException)
Revert "check if entity is in any group before checking if it is in specific group (was NullPointerException)"

This reverts commit 62a0ac4119400fa6494f08d5689f5f2103ac895b.
check if entity is in any group before checking if it is in specific group (was NullPointerException)
Merge pull request #2 from lopho/master

Check if entity is in any group before checking specific group