Updates for quests 28757, 28762, 28763, 28764, 28765, 28766, 28767.

Signed-off-by: SkyFire <admin@projectskyfire.org>
Fucking line endings.

Signed-off-by: SkyFire <admin@projectskyfire.org>
DB/Quest: Added data for 'Much to Learn' and 'The Lession of the Iron Bough'.

Test data from WPP.
DB/Quest: Added data for all Mists of Pandaria quests up to patch 5.4.7.
Core/Quest: Load RewardPackageItemId from DB.

Core/PacketIO: Small update to SMSG_QUEST_QUERY_RESPONSE structure.
Core/PacketIO: Update SMSG_QUESTUPDATE_ADD_KILL structure and opcode.
Core/PacketIO: Updated SMSG_EXPLORATION_EXPERIENCE opcode.
Merge branch 'master' of github.com:ProjectSkyfire/SkyFire_5xx