Check in crnlib project
Merge branch 'master' into crnlib_proj
Mac fixes
Xcode 5 projects
Xcode 4 projects
Update Xcode 3

Just in case we can use it
Auto pop-up input dialog only when there's an alpha
Mac dialogs

First time with Xcode 4, so took a bit longer than it should have.
Building with the OS X 10.6 SDK
Fix alpha tracking issue
Update Windows because Mac changes
Add crunch_xcode submodule

Git doesn’t seem to want to let me delete the old submodule and replace
it with a different one.