release 0.11 from tag 20160429

added new polling observer agent; enhanced upload functionality to avoid resource starvation with simultaneous daqs and uploads; resolved issue with starting uploads with large number of files in the specified directory

    release 0.10 from tag 20160311

introduce timer for directory processing; fix for updating file permissions when directory processing is used

introduce timer for directory processing; fix for updating file permissions when directory processing is used

    release 0.9 from tag 20160225