nsurl fix
Accessing the isa pointer is deprecated in favor of object_getClass() and object_setClass(). See tagged pointers: http://www.mikeash.com/pyblog/friday-qa-2012-07-27-lets-build-tagged-pointers.html
Method expects to return something
Unneeded __bridge
Following the same code guidelines
Adding a *nix run script for samples.

Adding run.sh to each of the samples.  It mirrors the bat script
already provided for windows.
laying groundwork for Lua 5.2 and LuaJIT support in vs2008
organized vs2008/moai.sln a bit
Split files from moai-iphone into specific targets
added support for Moai SDK version string and local override
fixed vs2010 build
renamed projects and merged in latest reorg branch
working on Lua 5.2 integration
setting up a new way to build and link in the 3rd party libraries (vs2008)
changed project dependencied; added explicit linking to individual libraries; moai- libraries now link to 3rd party libraries
adding configurations for Lua 5.1, 5.2 and LuaJIT to vs2008 projects and solution
fightin' the vs2008 build
first successful build of all Lua 5.1 debug targets in vs2008
first successful build of all Lua 5.1 release targets in vs2008
working on vs2008 Lua 5.2 builds