Refactored classes that count {clue,trec} records to actually verify counts; tweaked integrations.
Added local integration test for bigram relative frequency exercise; refactored code.
Refactored indexing example and added integration test.
Fixed issues integration tests.
Refactored to get rid of warnings.
Merge branch 'refactoring' into ferhanture-master
Minor tweaks on build scripts.
Merge branch 'ferhanture-master'
Published version-1.4.3 artifact
code fixes to Hooka, uses CLI options, moved Hooka documentation to Ivory, YARN-related fix to CombineSequenceFiles