Beh01der/EasyFlow — pull request #8 by johnnylambada (2013-11-07 14:03:28+00:00)
Title: Add ability to ignore events that happen out of their expected state.

This can easily happen when asynchronous activities fire off events. New API ignoreOutOfState reads like this:
```
FlowBuilder
.from(MY_INITIAL_STATE)
.transit(onMyEvent.ignoreOutOfState().to(MY_NEW_STATE)
);
```