closes#937
- fixed bug where ![] is replaced with  for image url
- added fileStorage setting to uploader
- added fileStorage helper (could become standard way of providing config data for frontend???)
- added data element to editor and settings
- if no config value is set fileStorage: true is default
* Smoother animations
* Removed blurring in Chrome temporarily
* Centering is now done in CSS (the height is calculated in JS to work in FF and Opera)
* Modals now need close: true to be set to enable the close icon and shortcuts for closing (ESC key, background clicking)
closes#280
- adds image uploader to user profile page.
- click on cover picture or change cover button to open file upload modal.
- created new upload modal that extends model to reduce some code duplication
