refactored tab content into individual HTML files
developed the "Publish" tab for publishing messages to Kafka topics
developed the "Publish" tab for publishing messages to Kafka topics
Merge branch 'feature/kql' into feature/webui

* feature/kql:
  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)

Conflicts:
	src/main/resources/app/js/controllers/InspectCtrl.js
addressed potential issue with type erasure
addressed compiler warning
fixed the issue preventing switching to the Inspect tab to display a message
wordsmithing
addressed real issue with type erasure
addressed tab state inconsistencies
addressed issue with uncaught exception
fixed query case sensitivity issue
miscellaneous updates and fixes
the Publish tab is code complete
UI fixes
improved JSON message detection