Add a verbose option for use without guard

[tcrayford]

If I'm running guard-jasmine without actually using guard (just to get the headless testing), and my web server fails to boot, there's no way to get the output of it without editing the gem to remove the conditional around Guard.options[:verbose]. This is horribly shitty because you can't debug errors at all, guard-jasmine just fucking swallows all the errors, not even dropping them in a log file.

[netzpirat]

Instead of editing the gem, better send a pull request next time. Version 1.14.0 released with the --verbose cli option for the plain guard-jasmine runner.