Update README.md
Merge pull request #5 from Mangatome/wp7support

Proper WP7/Silverlight support
Merge pull request #6 from Mangatome/master

Conversion of byte[] to CharPtr
Merge pull request #7 from Mangatome/master

Full implementation of os.date
Removing GLOBALINDEX from NLua
* #2 pull request finished for the current code structure.
Added registry index API.
Merge pull request #8 from megax/master

#2 pull request updated.
* The missing 5.1.5 lua update done.
Merge pull request #9 from megax/master

The missing 5.1.5 updates were built-in in the code.
Added functions to compatibility between Lua 5.1/ 5.2
Added luanet_pushlstring. (lua_pushlstring have different signature in 5.1/5.2)
Update LuaTests
Renamed methods from snake_case to CamelCase
Renamed lua_State -> LuaState
Un-nest public classes.
Fixed Build
Fixed WP7 build.
Fixed Loadlib for WP/Silverlight
* Makefile update.