Updated logic used to create a upload progress bar listener
Updated the logic in listener to update the UploadProgress data in the database
Deleted UploadInfo
Updated data types of fields
Task to remove upload progress records periodically
Added methods related to retrieval of thumbnail using width/height
Moved logic related to upload progress key to listener
Changes related to use of cached kaltura session
Merge branch 'feature/kaltura' of https://github.com/perfectsense/dari into feature/kaltura