Increase timeout to 10 min for net_probe actions
Increase timeout to 10 min for net_probe actions

For 200 nodes get_probing_info action may take more than 5 minutes
to finish. To fix it net_checker requires some refactoring.
For now increasing time should be enough.

Change-Id: Ia3451392b1bfca9d9812c6a397626cdc295fefde
Closes-bug: #1378500

stackforge/fuel-astute,eayunstack/fuel-astute,stackforge/fuel-astute,eayunstack/fuel-astute