updating ring cron and scripts

Updating cron to just be on storage and proxy nodes.
Checking on ring utilities setup scripts.
Merge pull request #161 from btorch/ring_stuff

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Update version/berkfiles against v4.1.2rc
Merge pull request #163 from claco/tag-rc

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Remove os_drivecheck cron

We had already removed the underlying script, so this was just
causing errors.  This should likely be covered by CAS monitoring
anyway.

Closes #115
Merge pull request #164 from rpedde-rcbops/issue-115

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add /root/.openrc

When creating an admin-server based keystone server, openstack
credentials will be saved in /root/.openrc

closes #90
Merge pull request #165 from rpedde-rcbops/issue-90

Merged automatically by jenkins after successful build test
Update cookbook references to 4.1.2 releases
Merge branch '4.1-stable'
Updated swift.rb environment file
osops_networks block no longer necessary.
Update swift.rb
Pin memcached cookbook to version 1.4.0

- berks install is ignoring the Berkshelf.lock file and downloading the
updated versions instead. Memcached 1.5.0 is currently broken due to an
attribute spelling error and fails a chef-client run. Specifying the
version in the Berksfile will for the version to match the version in
the lock file.

- Removing Berksfile.lock from .gitignore

Fixes rcbops-cookbooks/swift-private-cloud#166
Merge pull request #166 from claco/pin-memcached

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