Initial version of Junit based tests

These tests:
- Use Junit4, to keep dependencies simpler
- Provide tests for prepared statements, for insert
- Provide one test to exercise a TPCC table and insert

Author: pervazea

.gitignore

@@ -9,6 +9,8 @@
 *~
 # Merge files created by git.
 *.orig
+# Java bytecode
+*.class
 # Byte compiled python modules.
 *.pyc
 # vim swap files