added more doubles random battles movepools
fixed typo in random doubles moves

the entry for struggle bug in ariados's viable doubles moves movepool was missing a :1 at the end, so I added that
added more doubles random battles movepools
Tweak HP Percentage Mod description
viableMoves are now randomBattleMoves

randomBattleMoves is now an array, and has been renamed from
viableMoves since it no longer is used for anything other than
random battles.

This commit also does some cleanup of some code relating to
random battle moves, including fixing gen 1's randomSet function,
which apparently has never worked.
Remove randomBetaTeam; April Fool's is long over
Fix bug from random battle moves refactor
Gen 1: Add random battle moves
added more doubles random battles movepools
removed a move from sceptile's random dubs pool
Have modlog entries for roomdesc, roomintro

This makes it easier for staff to check who updated the roomdesc/roomintro and when