Checkpoint
Checkpoint before appending '_I' to all Java Interface names.
src/main/java/edu/stanford/pigir/irclientserver/ClientSideReqID.java src/main/java/edu/stanford/pigir/irclientserver/JobHandle_I.java src/main/java/edu/stanford/pigir/irclientserver/PigClient_I.java src/main/java/edu/stanford/pigir/irclientserver/PigService_I.java src/main/java/edu/stanford/pigir/irclientserver/ResultRecipient_I.java
Have full forth-and-back running. Next: test queuing of results, and notification of results.