JCLOUDS-457: Add list operation

Now the BlobStore abstraction supports the list Operation
As far as I know the archive IDs are always the same length and are set by Amazon. An example would be:
>TJgHcrOSfAkV6hdPqOATYfp_0ZaxL1pIBOc02iZ0gDPMr2ig-nhwd_PafstsdIf6HSrjHnP-3p6LCJClYytFT_CBhT9CwNxbRaM5MetS3I-GqwxI3Y8QtgbJbhEQPs0mJ3KExample