Got a Cocoa window up, comitting before
I do any further messing.
Got rid of extraneous .xib and .plist files,
turns out we really don't need these, which
is contradictory to what I've read on google,
but fortunate.

Corrected the post build step to copy the app bundle
properly from the Debug/Release dirs. I'm pretty sure
there's some cmake magic that woudl do this with more
elegance, but for now it suffices.