alias: add 'dump' command to copy your config between users.

[Zarthus]

This fixes issue #1114 - and also a small consistency fix

[Mikaela]

Tested and working, I now have all aliases on both ZNCs 😄

/ZNC-CLEAR-ALL-ALIASES!
/msg *alias Create E
/msg *alias Add E mode %1% +r
/msg *alias Add E mode %1% +q $~a
/msg *alias Create EO
/msg *alias Add EO mode %1% -r
/msg *alias Add EO mode %1% -q $~a
/msg *alias Create M
/msg *alias Add M mode %1+%
/msg *alias Create O
/msg *alias Add O chanserv op %1+%
/msg *alias Create SPING
/msg *alias Add SPING ping :%time%
/msg *alias Create WHOSELF
/msg *alias Add WHOSELF who %nick%
/msg *alias Create WIISELF
/msg *alias Add WIISELF whois %nick% %nick%
/msg *alias Create ZM
/msg *alias Add ZM mode #znc %1+%
/msg *alias Create ZO
/msg *alias Add ZO op #znc %1+%
/msg *alias Create ZQ
/msg *alias Add ZQ chanserv quiet #znc %1+%
/msg *alias Create ZUQ
/msg *alias Add ZUQ chanserv unquiet #znc %1+%