copy stdout and stderr from the app on failure and use them to construct more informative app exceptions
copy stdout and stderr from the app on failure and use them to construct more informative app exceptions

git-svn-id: 6ee47c8665bf46900d9baa0afb711c5b4a0eafac@7287 e2bb083e-7f23-0410-b3a8-8253ac9ef6d8

ya7lelkom/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,swift-lang/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k,ya7lelkom/swift-k