Merge pull request #122 from mattyb149/pdi-9534

PDI-9534: Fixed setReadOnly proxy for master
PDI-9867: Added ESAPI to PMR config
Merge pull request #123 from mattyb149/pdi-9867

PDI-9867: Added ESAPI to PMR config
PDI-9031..9034: Added support for High Availability clusters
Merge pull request #124 from mattyb149/ha-support

PDI-9031..9034: Added support for High Availability clusters
[CM-325] Update pentaho common build files (subfloor)
[CM-325] Leave cloudera repo definition in ivy settings to help off-vpn devs.
PDI-9534: Updated Hive 1/2/Impala metadata for fetching tables and views