Merge pull request #182 from robertd/master

Change README.md to use proper Travis-ci link
EventEmitter2 pubsub + permissions per sandbox. 90 Assertions, 43 specs.

New core.start api for sandboxes. Updates to packages.
Merge pull request #178 from tony/pubsub-ee-sandbox

EventEmitter2 pubsub + permissions per sandbox. New core.start api for sandboxes. Unit Tests at 90 Assertions, 43 specs covering mediator, sandboxes, namespace events, emitqueue.
Libraries update
Revert possibility to minifya and concatenate js files into app.js 
Move deferred dependency for zepto to config
Updating to latest logo from Hull.
Merge pull request #189 from gziolo/master

Grunt minify and concatenate fixed, lib updates, zepto deferred dependency logic moved to config.