Cata RatingBuster Core Updates

[raethkcj]

• [x] #160
• [x] #164
• [x] Add ADD_SPELL_HIT_RATING_MOD_SPI breakdowns, sums
• [x] Add ADD_(SPELL_DMG|HEALING)_MOD_MANA breakdowns, sums, ensure option generator converts mana to int
• [x] Ensure MOD_SPELL_DMG and MOD_HEALING are used in breakdowns, sums
• [x] Change Mastery to breakdown into MasteryEffect
• [x] Add MasteryEffect to BlockChance for relevant specs