header module added
navigation module added
Merge branch 'mediator-pattern-with-modules' of github.com:fs/backbone-base into mediator-pattern-with-modules

* 'mediator-pattern-with-modules' of github.com:fs/backbone-base:
  navigation module added
  header module added
Added global Marionette.vent event aggregator
Merge branch 'master' into mediator-pattern-with-modules

* master:
  Update credits section in README to make it more common across projects

Conflicts:
	README.md
Merge pull request #31 from fs/mediator-pattern-with-modules

[WIP] Mediator pattern with modules