Added ExifMetadata-listener, populating metadata with EXIF-tags when images are added.
Fixed capitalization in documentation.
Changed default values from nulls to arrays
Merge pull request #177 from rexxars/exif-metadata-listener

Exif metadata listener
Changed timeout option for MongoDB and GridFS to connectTimeoutMS (timeout is deprecated in latest versions of Mongo-extension.
Merge pull request #179 from rexxars/mongo-timeout-deprecated

MongoDB Timeout option deprecated
Added a simple stats model with fixed fields. Need to add a container for dynamic fields that event listeners can use to populate whatever data they want to add to the stats output
Added a title property to the array model
Added support for formatting nested datasets. Formatters can now also use the optional title from the array models
Updated dependencies
Added an entry for the stats resource
Added a stats resource
Added method for loading stats
Added a route for global stats
Added a constant for the stats resource
Started working on formatting stats
Added an event listener that has a simple ACL model for the stats resource
This resource no longer uses the container
Added method for fetching the amount of bytes a user has stored
Populate and format the stats data