BDQL has been renamed to KQL (Kafka Query Language)
renamed all Big Data Query Language (BQDL) references to Kafka Query Language (KQL)
fixed issues with case insensitivity for KQL
bumped application version to 0.18.3
Merge branch 'master' into scala_2.11

* master:
  bumped application version to 0.18.3
  fixed issues with case insensitivity for KQL
  renamed all Big Data Query Language (BQDL) references to Kafka Query Language (KQL)
  BDQL has been renamed to KQL (Kafka Query Language)