Add Beat Up's message

This reveals the teammates when Beat Up is used.
Prevent various redundant moves

In particular, Morning Sun with other healing moves, or Focus Punch with Drain Punch
Merge pull request #778 from Relados/patch-36

Prevent various redundant moves
April Fool's 2014
Prevent weaker options on Arceus formes

There's no reason for any Arceus to run STAB special moves that are weaker than Judgment.  One could argue the secondary effects are good, but most people would probably prefer the damage.  The only thing that might need to stay is Fire Blast over Judgment on Arceus-Fire, though I'd still argue Judgment is a better option.

There are some other instances of physical moves I'd say are unneeded as well (Judgment on Arceus-Rock is a better option than Stone Edge in the vast majority of cases), but since those are more debatable I've kept them.
Add Sludge Bomb to Arceus-Poison's moves
Merge pull request #779 from Relados/patch-37

Prevent weaker options on Arceus formes
Fix set.forcedLevel

Changes set.level to set.forcedLevel after validation
Replace Thief with Knock Off on Persian

Knock Off is far more viable, even taking Technician into account.
Merge pull request #781 from Relados/patch-39

Replace Thief with Knock Off on Persian
April Fool's 2014 is over
Prevent Fire Blast and Lava Plume together

Similar reasoning as preventing Hydro Pump and Scald together
Merge pull request #782 from Relados/patch-40

Prevent Fire Blast and Lava Plume together
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/awolffromspace/PC-Battle-Server