Disable ALWAYS_SEARCH_USER_PATHS

Added uninstalled products header search path to iOS.

Use rpath for OS X frameworks and applications

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>

Add new recommended warnings from the latest LLVM and Xcode 4.6

Clang 4 lyfe!

If the file doesn't exist, this causes build failures. Not worth predefining.

This reverts commit a114dfb2.

This means unit tests won't run with the Build action, but they still will with the explicit Test action. This is for the best, because breakpoints only work when using the latter.

- This will set the `@rpath` used by the linker to include frameworks from the
"Frameworks" directory in the application bundle.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>

Reported in github/ReactiveCocoa#139.

Add armv7s as a valid architecture

Otherwise, apparently constant variables sometimes get clobbered (and thus rendered unusable by unit tests)

Enable Objective-C exceptions in the config file (just so it doesn't have to be set at the project level -- the fewer project settings, the better)