Fix compilation of some iOS extensions

These extensions weren't updated when MOAILuaStateHandle
was renamed to MOAIScopedLuaState in changeset
39eba52567b652f9af7f962743d5fd8bee037ce9.
Merge pull request #754 from theGoodEvil/fix_ios_extensions

Fix Compilation of some iOS Extensions
Merge branch 'master' into development