New cmm v1.04

Changes:

• UI changes when browsing a mailbox when within a directory only show the current directory and emails. Added Go Up button to return to the top of the mailbox
• Added selected delete of files when browsing a mailbox
• Added empty directory when browsing a mailbox
• Added cPanel account quota check before allowing edit of filters or forwarders or adding a new mailbox to prevent data loss in the event of quota exceeded for the account