It makes sense to be able to control this with command line options.
On Travis this avoids the signing problem and makes the build much faster.
Still should be enough to catch iOS breakage.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Disable most warnings for iOS test build as otherwise the Travis log file will
exceed 4MB and the build will fail.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>