Revert "Remove auto layout to get building for older OSX"

This reverts commit 759da2496e18c4c7168b6c79df95e286bf376936.
Revert "Set OSX UI deployment target to 10.6"

This reverts commit f5960d52871e68c5d5a0adbe14b8fc7349581429.
Revert "Set OSX 10.6 as deployment target"

This reverts commit dccab205384d99ab6485448b194b1e4bc697f9e5.
Revert "Enable app sandbox"

This reverts commit 53b66ea10d130c3db8e26f24346e9bb0261db1a7.