JVM heap optimization settings and remove SerialGC
Updated Puppet guide for Origin v4
Merge pull request #5585 from vbalazs/bvarga/origin_cartridge_214_jvm_heap_opts

Merged by openshift-bot
Logging error if region is specified but no districted nodes available
Merge pull request #5611 from nhr/puppet_guide_updates

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Merge pull request #5614 from abhgupta/abhgupta-dev

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Added LIST_REGIONS
Merge pull request #5618 from lnader/master

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Bug 1120467: Fixing wrong grep format for threaddump in ruby-2.0
Merge pull request #5619 from jhadvig/BZ-1120467

Merged by openshift-bot