[mms] Fix applying the 'allow_folders' permission.
[mms] Fix sniffing capabilities for POP3 servers that don't support the CAPA command.
[mms] Add remote POP3 server test.
Released Horde_Imap_Client-2.12.2
Development mode for Horde_Imap_Client-2.12.3
Merge branch 'master' into imp_6_2

Conflicts:
	imp/package.xml