Top java issues

grade-school: use assertEquals instead of assertThat

code good first issue hacktoberfest

binary-search: update version file (v1.1.0 -> v1.2.0) and update error handling

code hacktoberfest

Ensure Java track is ready for v2 launch

Do we need to make READMEs for earlier exercises simpler / add more hints?

discussion question

raindrops: update version file (1.0.0 -> 1.1.0)

good first issue

Improve canonical data check script

bug

Builds timing out

nucleotide-count: update tests and add version file

code

pig-latin: update tests and add version file

code

kindergarten-garden: add topics

enhancement good first issue hacktoberfest