Log exception for skipped queries
Extract TestingPostgreSqlServer to separate project
Make constructor protected for abstract class
Allow using smoke tests for non-sampled connectors
Update example in deployment instructions
Add docs for MySQL and PostgreSQL connectors
Add missing @Override annotations

These were found by static code analysis in Eclipse.
Fix issues found by findbugs
Add support for reading data from MapR
Change Cassandra properties to use Duration
Fix TestSqlStageExecution.testSplitAssignment()
Create AsyncResponseHandler builder pattern

- Replaces AsyncResponseUtils
- Adds ability to asynchronously cancel on client disconnect