Fix #1805

Having token set to not null breaks the use of requireemail=false in the servatrice.ini as token will be null in this use case.

It was missing a comma at the end of the line.

With this update a new chat history definition is added on a per
room bases which allows operators to specify the number of chat
messages to store and present to the user on join.  Please see
the sample ini for room definitions.

Schema version should be 7 (not 6) for current commit level.  Not sure exactly why it wasn't updated.

Updated rooms_gametype to reflect proper column as primary key.

Corrected table column in _rooms db table and added _rooms_gametypes
table.