Updated docblock
Basic layout for file storage interface.
Some further layout if media service and putting files to repository.
Added some tests for file type detection via file info extension. Includes detection of type for fake extensions.
Further layout of medialibrary component.
Added some helper stubs.
Basic scaffolding for backend
Basic uploading mockup
More general media library item with tests.

As we are currently unable to make educated decision wether we need separate extending items for each media library item type (image, video, audio, downloadable)
Adding some module exceptions.
Set module dependencies.
Added module configuration and an accessor for it.
Functionality and tests for media service dependencies and accessors.
Instantiate and configure storage based on module config.
XHR2 tryouts
Further xhr uploads evaluations.
Local storage self configuring at instantiation time.
Minor configuration tweaks.
Implemented id to path padding in local storage.
Scaffolding for metadata reader value object