py_activity_log

Merge pull request #11 in DC/py_activity_log from hotfix/load_config to master

* commit 'f0a8c304b67ca599539be7aa8479993b60c79900':
  added api for filtering with audit-trail id
  added api for filtering with instance id
  added api for filtering with instance id
  updated readme.md
  fixed issues regarding the file creation
  added feature for auto creation of audit_trail.py
  commenting in admin and views files
  merged with admin code, renaming in admin file, readme update
  activity_logger to audit_trial
  error while loading config file fixed
  added functionality for custom logging using api call
  ActivityLogAdmin
  ActivityLogAdmin
  _
  added views