orlyi: Make JumpRunnable catch and rethrow exceptions

Previously it just let them fly by and straight into the fiber
schedule which would result in badness.
util/error.test: Disable the interrupt test because it sometimes gets stuck forever.
Merge pull request #125 from cmaloney/error-test-retry

util/error.test: Disable the interrupt test because it sometimes gets stuck forever
Merge pull request #124 from cmaloney/jump-runable-rethrow

orlyi: Make JumpRunnable catch and rethrow exceptions