White space fix
Updating readme to clarify that event_aggregator is async by default,
which may cause errors if the script terminates before the task is
performed
removing factory girl from the repo. It was not in use.
Adding .travis.yml. Updating readme to use version labels etc.
Adding All kinds of badge-stuff to the readme and implementing what was required to get these to work.
Merge pull request #18 from stephan-nordnes-eriksen/adding_travis_and_other

Adding travis and other badges
Fixing travins badge
Merge branch 'master' of https://github.com/stephan-nordnes-eriksen/event_aggregator
Fixing last badge
Adding rspec to dependencies
adding dependencies to spec_helper.rb
removing crashing- require statement
Removing unused gemfile from travis.yml
removing --without development from bundler_args in travis.yml
Fixing travis.yml to remove unsupported ruby versions.
Fixing versioning in the gemspec file.
Bumping version
Updating travis tag to correct branch.
Aaaand removing extra whitespace
Added register_all to aggregator so listeners can catch all events.