Added Account creation class.
Fixes a typo.
Added missing key name information in protobuf.
Updated signature of Get and Delete to allow automatic type deduction.  Added placeholders for account creation.
Added CreateAccountResponse message.
Merge remote-tracking branch 'origin/next' into vault
Implemented CreateAccount.
workaround for Sync messages.
Completed DataGetter and MaidNode personas.
Removed unneeded message type.