Core/Guilds:

*Rewrite most of the Guild Advancement system
*Fix guild invite opcode
*Impliment proper XP cap, and daily cap reset
NOTE: Weekly guild reputation limit not fixed. I couldnt find any
information for sending the weekly cap to client
Derp
Core/Currency: Fix 2 missing precisions
Core/Loot:

Fix SPELL_AURA_DEPOSIT_BONUS_MONEY_IN_GUILD_BANK_ON_LOOT
This properly implements Cash Flow perk
Core/Vendors:

Implement SPELL_AURA_REDUCE_BUY_PRICES
This fixes the Bartering perk
Core/Currencies:

Implement SPELL_AURA_MODIFY_CURRENCY_GAIN
Fixes Honorable Mention perk
Fixes For Great Justice perk
Core: Clean up last commits
Merge pull request #851 from roc13x/master

Core/Guilds: Rewrite Guild Advancement system