Lower defaut timeout from 360 minutes to 30 minutes

Jobs that structurally need more time, should be explicitly given
more time. By default if any random job is taking more than 30
minutes, something is wrong and we want it killed.

* Changed all defaults from 360 to 30.
* Lowered 'analytics-kraken' from 60 to 30.
  Its job runs took 1-2 minutes on average yesterday,
  max of 30 should be enough.

Change-Id: Ia59d4d1c248e7df6c5650c0ea730b10465cca13b