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Signed-off-by: Stephen Celis <stephen@stephencelis.com>
Add Travis CI support

And remove the NSArray-based parsing method. While it worked most of the
time, it failed in Travis (and, potentially, elsewhere).

Let's also include shared settings in the repository (to avoid the
necessity of opening Xcode to autocreate default schemes).

Signed-off-by: Stephen Celis <stephen@stephencelis.com>