Merge pull request #2648 from ClickHouse/pre_0.9.4 Pre 0.9.4

Merge pull request #2635 from ClickHouse/fix_javadoc1 adding placeholder jars

Merge pull request #2564 from ClickHouse/pre_0.9.2 Pre 0.9.2

Merge pull request #2514 from ClickHouse/fix_using_new_api fixed j8 compatibility

Merge pull request #2449 from ClickHouse/fix_release_target set release target java version

Merge pull request #2373 from ClickHouse/pre_0.8.6 Pre_0.8.6

Merge pull request #2341 from ClickHouse/pre_0.8.5 Pre 0.8.5

Merge pull request #2319 from ClickHouse/pre_0.8.4 Pre 0.8.4

Merge pull request #2294 from ClickHouse/fix_shaded_missing_lz4 [jdbc] Fix missing dependency in shaded package