test(engine): failing testcase for CAM-1373
Merge branch 'master' of github.com:camunda/camunda-bpm-platform
test(engine): failing testcase for CAM-1374
chore(README): add cycle readme
fix(embeddedSubprocess): Throw parse exception

- if a embedded subprocess contains a none blanco start event an exception
  will be thrown
fix(engine): error propagation with exceptions

- process engine must not catch all exceptions if error boundary event has
  no error code CAM-1373

- Support exception class hierarchy when catching exceptions (superclass
  catches instances of subclass) CAM-1374
Merge branch 'master' of github.com:camunda/camunda-bpm-platform