Cstrike: Move AMXX API in a new file.
Cstrike: Rename cstrike.cpp to CstrikeNatives.cpp
Cstrike: Move game datas in its own file.
Cstrike: Import some memory tools from SourceMod
Cstrike: Convert code to use CDetour and MemoryUtils.
Cstrike: Move utility stuff in its own file.
Cstrike: Implement CS_OnBuy forward.
Cstrike: Add CSW_SHIELDGUN constant (valid CS value)
Cstrike: Define "UseBotArgs" and "BotArgs" symbols in game data file.
Cstrike: Fix typo under OSX.
Cstrike: Fix ResolveSymbol misuse under linux/osx.
Cstrike: Refactor code to seperate detours for readability/maintainability + Fix OSX symbols.
Cstrike: Enable/Disable detours whether CS_OnBuy and CS_InternalCommand are used in plugins + Add more check for safety.
Cstrike: Remove unused defines and fix typo.
Merge pull request #25 from Arkshine/feature-client_buy-forward

Implement CS_OnBuy forward + Do some clean up (bug 5906)