ADD: Source for SWEN90006 Assignment 1, 2018.

README.md

 # SWEN90006-A1-2018
 
-Assignment code for SWEN90006 (Software Testing and Reliability) at the University of Melbourne. Semester 2, 2018.
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+Assignment code for SWEN90006 (Software Testing and Reliability) at the University of Melbourne. Semester 2, 2018.
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+The folder structure is:
+
+- src/ contains the source code for the virtual machine.
+- test/ contains the templates for the JUnit test scripts.
+- mutants/ contains five identical copies of the src, which you must modify to create your mutants.
+- examples/ contains two example programs using the simple language.
+- build.xml is an ant build script that you can choose to use or not