BUG: refs #504. Member group should only get read access to folders
BUG: refs #504. Member group should only get read access to folders

On community creation, they were being given write access to the top level
folders.  They should only be given read access.

jcfr/Midas,jcfr/Midas,jcfr/Midas,jcfr/Midas,jcfr/Midas,jcfr/Midas