include the 1.6 version for the source compilation as anaotations are not supported with java 1.3

Change-Id: If3d88f713156d8e5c1bfb56d987489ed13ac853d
StatisticsException Class - single custom exception handler for all R based statistics tools

Change-Id: I9c948df842b3b1a53ddd57c905080f3c8b7e1f65
Test the Statistics Exception

Change-Id: I604b952530d0df9c21c04e29723d7b1cea9c93de