Add rspec & evented-spec
Add specs (except AMQP)
Refactor AMQP check to be synchronous, add specs
Do not resume dead fiber

It happens when a fiber is already resumed by incoming message from a queue.
Effectively cancels timeout timer.
Cancel timeout timer and unsubscribe from queue on success
Make block optional for AMQP.alive?, add specs
Add Travis CI
Merge pull request #1 from vinted/features/specs

Features/specs