Adding documentation for how to recover from VM crashes. Removed the documentation for needing to setup the master-root-a persistent disk, I set it up today with the right cronjobs and files.
Adding documentation for how to recover from VM crashes.
Removed the documentation for needing to setup the master-root-a persistent disk, I set it up today with the right cronjobs and files.

R=borenet@google.com

Review URL: https://codereview.chromium.org/25108009

git-svn-id: 32fc27f4dcfb6c0385cd9719852b95fe6680452d@11519 2bbb7eff-a529-9590-31e7-b0007b416f81

google/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot