modified xcodeprojects so that products get built in the correct place on xcode5 (+ xcconfig mods)
fixed a lot of warnings shown up by compiling with clang in xcode5
fix IPlugEEL compile
IPlugVST default case added for not calling LimitToStereoIO() (fixes clang warning)
Carbon Composited GUIs now work with SDKs > 10.6, although they will be inefficient, since the whole UI is drawn all the time. Non composited windows are not supported. 10.6SDK and Xcode 3 still recommended if you want to support Carbon UIs