Added new methods to the API
fixed wrong signature in the service rmi
implemented tag objectStore
created branch for the tag
fixed ticket #968 changed implementation of RMI for method deliver from Double to Long
Added getSize to the RMI
fixed filesize info, and refactored code
fixed test
Added size in kilobytes for each ObjectstoreFile metadata
Reformat class
Added md5sum of the file to the objectStore Metadata