Add DTMF options for replaying menus and returning to the main menu/exiting
Remove log statement I accidentally left in.
Address review feedback on repeatMenu/previousMenu

https://github.com/asterisk/node-voicemail-main/pull/1
https://github.com/asterisk/node-voicemail-mailbox/pull/1
https://github.com/asterisk/node-voicemail-main-fsm/pull/2
Reduce duplicate code for playing menu and repeating it

Pull Request: https://github.com/asterisk/node-voicemail-mailbox
Fix linter errors
Don't send invoker to playMenu function since that's pointless.
Merge pull request #1 from jrrose/master

Add DTMF handling for '*' (repeat menu) and '#' (return to menu/exit)