added log of parent directory
Merge branch 'master' of https://github.com/curt-labs/GoAdmin

* 'master' of https://github.com/curt-labs/GoAdmin:
  updated cdnfile table lastuploaded date to be nullable
  added ability to delete stored video cdnfiles
  added view for stored video cdn files
  started working on view cdn files, also added 3 new table columns to cdnfile table:FileSize, Bucket, ObjectName