Add scripts to build luajit for iOS and OSX
Update libmoai Xcode project for LuaJIT builds

* Separate Lua compilation into its own target
    * Two new targets: libmoai-ios-lua and libmoai-osx-lua
* Adding new variable for enabling/disabling luajit
Update osx and ios projects to use LuaJIT
Update Xcode project readme

* Change format to markdown
* Add information on how to switch to non JIT compilation
Update the luajit build scripts

* Remove commented out code
* Add input args for product name and destination to tie into xcode
target
Update libmoai Xcode project w/luajit targets

* Add LuaJIT targets for iOS and OSX
* Remove old luajit compile scripts in libmoai-ios and libmoai-osx
Update iOS Project with luajit target

* Add moai-luajit for building with jit
* Use existing moai target for building without jit
* Adding scheme for JIT
Update OSX Project with LuaJIT target

* Add moai-luajit target for JIT builds
* Use existing moai target for non JIT builds
* Add scheme for JIT builds.
Remove LuaJIT portion of the Xcode readme

Guide to non-LuaJIT build is no longer needed with the separate schemes
for Lua and LuaJIT builds.
Merge pull request #775 from JandyCo/luajit-mac

Add LuaJIT support on iOS and OS X
#775 Add LuaJIT support on iOS and OS X
Fix sound on iOS and Android host due to wrong macro

Replace USE_UNTZ and USE_FMOD macros with MOAI_WITH_FMOD and
MOAI_WITH_UNTZ to fix sound on iOS and Android hosts.
Add luajit libraries to Android ndk build
Add LuaJIT to make-host and libmoai build

Add compilation, argument checking, etc for luajit in the make-host and
libmoai build.
Update varargs in init.lua to accomodate differences with LuaJIT
Merge pull request #783 from JandyCo/fix-host-sound

Fix sound on iOS and Android host due to wrong macro
Merge branch 'master' into development

Fixed a problem that could not be compiled.

Conflicts:
	ant/libmoai/jni/src/moai.cpp
	xcode/ios/Classes/MoaiView.mm
Run the libluajit target only to prevent errors when building the unused executable
Merge pull request #786 from moai/fix-merge-master-to-dev

Fix sound on iOS and Android host due to wrong macro
Merge pull request #784 from JandyCo/android-luajit

Add LuaJIT Support to Android Host