- Introduce liquibase
- clean up tests
move stored procedure creation to liquibase
consolidated test tables
consolidated test tables
Merge remote-tracking branch 'upstream/master' into test_cleanup

Conflicts:
	src/test/java/com/p6spy/engine/spy/P6TestPreparedStatement.java
	src/test/java/com/p6spy/engine/spy/P6TestUtil.java
Merge branch 'master' of https://github.com/p6spy/p6spy into test_cleanup
added logging on test failure
more cleanup
fix failing tests
Merge pull request #155 from p6spy/test_cleanup

Test cleanup