global object exits.

This fixes a problem where the terminal server reuses the same global object
for all JS scripts, and they uses nested exec()s.  When the innermost script
would exit, the on_exit evals would occure in IT'S scope rather than in the
scope it was defined in, resulting in incorrect behaviour.

(and thus SDL).

object from the record rather than having to re-read it.

Remove unised Size parameter in the team object.

you CAN attack their bases.

captured holds when destroying an enemy.

stack clobbering silent killer that is the massive line read in json_client.js

during on_exit handler to unlock records which happen to be locked due to
bad timing of termination.

many minutes of inactivity waiting for a caller (like sbbs2).
(defaullt: 60 minutes, 0 = disabled).

feature on disconnection.