Email/Messenger

• Added email throttle setting for emailing via dealerships mail server, to cope with mail servers that disallow sending email too quickly.
• Access email/messenger config from within c9

Parts Magician: Reworked parts magician integration to try and find more matches.

• Parts magician reply configuration is now done via edit franchise.  In here is an option to enable reply on existing configured magician category for a franchise, option is default to on.
• Send all queries to all c9 dealers