Serbero v0.2.5

Changed

• A party who writes when Serbero has no template left for them is no longer
  left without a reply. In production a seller who had already been asked
  to check their account wrote three more times and got nothing back, while
  the buyer's response timers ran. When the other party still owes an
  answer, such a party now gets the new waiting_other_party template once:
  the other party is awaited, and the case goes to a person if they stay
  silent (docs/judgments.md §4.1 step 3). The es and pt texts await a
  native speaker's review.