This change fixes the behavior of legal freeze; it now does not allow
lists and deletes for users in that freeze. It also fixes an issue
where users who have been legal/violation frozen will have their limits
upgraded, partially exiting freeze status when they pay with STORJ
tokens.
Issue: storj/storj-private/#517
storj/storj-private/#515
Change-Id: I6fa2b6353159984883c60a2888617da1ee51ce0a