Add 'timeout_min' to run_ocsync() to prevent stale owncloudcmd
Add 'timeout_min' to run_ocsync() to prevent stale owncloudcmd

- The count will subprocess.terminate() the sync cmd
- A change introduced in 2.7 causes the cmd client not to return
  on certain cases.
  - ref. https://github.com/owncloud/client/commit/452792

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