Reverted code changes on console logs.
Handled if access token is valid or not.
Added option to disconnect from drive in setting page.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  default child item count updated from 14 to 15 (optimization)
  Sausd pagination limit removed
Merge pull request #849 from anilgooru/dev-branch

Google Drive fixes.