Merge pull request awslabs#361 from awslabs/update_readme_and_pom Update release process and point README to a working release
update version in pom.xml
Upgrades Spark version from 2.2.2 to 2.3.3 (awslabs#291)
v1.0.4
Bugfix/issue 246 (awslabs#247)
Typo in loop over profiles (awslabs#218)
KLL Sketch Optimisations (awslabs#171) Several optimisation w.r.t the new KLL sketches
Bump version to 1.0.2 for release
Update README