* Clean up ToggleSpell
* Clean up DrawLifeFlask and UpdateLifeFlask
* Clean up DrawManaFlaskm, control_update_life_mana and UpdateManaFlask
* Clean up CheckSBook
* Clean up DoSpeedBook
* Decompose magic numbers
* Clean up GetSBookTrans
* Apply spell_type
* Slight clean up of DrawSpellList
This improves the bin diff a little bit but more importantly gets rid of
_p*Spells[] usage in control.cpp