Fixed OgreImporter link problems on OS X
Merge pull request #173 from wibbe/ogre-importer-mac-fixes

Fixed OgreImporter link problems on OS X
Added Development Base. This sets Debug Information for Debug Builds to /C7 and none on Release Builds. Modifies the install settings and ignore flag as well.
Modified Sound to provide its own unique category for UI sounds
Set Texture and Material Quality / AF parameters during startup from Engine Parameters.