excalibur: (Optionally) automatically add intel for any new one-man alliances each tick.

(cherry picked from commit 5d940bcb48ddfbbd28daa734d6201335e2799f08)
config-desc: Add findsmall.

(cherry picked from commit 6dec70d56c97038196a5decfcf7bbd31c7c215ff)
commandlist: Add !guess

(cherry picked from commit c29bd2f10fc418f76aca4f7cbf687ffa37d3064c)