Updated readme for dist package info

Author: KatrinaHoffert

main/README.txt

@@ -38,4 +38,6 @@ COMPILING IT YOURSELF:
     See: https://code.google.com/p/fbms/source/checkout
   - The "coding.txt" file in the SVN (located in trunk/doc) contains details
     about building the program from source and importing the project into
-    the Eclipse IDE
+    the Eclipse IDE
+  - To create the pre-built distribution package, run "ant release" in this
+    folder.