Support ruby <= 1.8 (for RHEL 6):
Support ruby <= 1.8 (for RHEL 6):

* replace select() language construct by ifs in ERB
* sort keys for ruby <= 1.8 to keep config files content stable,
  let's properties unsorted in original form for ruby >= 1.9

MetaCenterCloudPuppet/cesnet-hbase,MetaCenterCloudPuppet/cesnet-hbase