* Fixes#499 and part of #1303.
* Implements Guild Storage Expansion Skill which requires client 2013-12-23 or newer (enable by default depending on client date in src/config/packets.hpp).
* Implements guild storage permission which requires client 2014-02-05 or newer.
* Expanded script command guildopenstorage return values.
* Alphabetically sorted includes.
* Updated copyright and license text to match across all files.
* Removed pragma once define in header files in lieu of ifdef guards.
* Initial progression of moving the map-server to C++ format.
* Converted all core files to .cpp and header files to .hpp.
* Refactored the refine database parser to utilize native YAML C++.
Thanks to @Jeybla and @lighta for their help!
