beta 7.1a wip

allowed asaga's out of battle buff to be hidden, which was causing
problems.
fixed a problem caused by bad inits for all melee weapons in the library
beta 7.1a

fixed some skirmish problems
added a bit of modding support for items
disabled battleships in side mission now are properly disabled for 2
turns.
victory screen code changed slightly so that large numbers of defeated
enemies don't take so long to display.