First submission - CalculateAverage_JamalMulla.java - Jamal Mulla

[JamalMulla]

Check List:

• [x] Tests pass (./test.sh <username> shows no differences between expected and actual outputs)
• [x] All formatting changes by the build are committed
• [x] Your launch script is named calculate_average_<username>.sh (make sure to match casing of your GH user name) and is executable
• [x] Output matches that of calculate_average_baseline.sh

• Execution time: ~5
• Execution time of reference implementation: ~4m5s

Test machine has 8 cores and 32Gb ram.