* Use fileProvider instead of Uri.fromFile()
* As Uri.fromFile() will not work on Android 7.0+, with a targetSdkVersion of 24 or higher, throws FileUriExposedException
* Use easy image for image picker
* Do not use harcoded mime type
* Use uploadable file for image uploads
* Add picker files in filepicker module
* Remove redundant checks for file
* Make usage of file extensions consistent
* Add javadocs
* Fix tests
* Enable image upload using bookmark activity
* Fix multiple uploads
* Fix external image uploads
* Fix chooser intents
* Fix image quality checks
* Segregate internal and external upload intents
* Invoke all error messages from one place
* Minor changes
* Fix tests
* Add image processing service tests