add Wireshark reference

deliverables/README.md

@@ -25,8 +25,8 @@ All MV3500 cohorts have source code collected under a common Netbeans project.
 1. You can look at earlier cohort submissions, for example [deliverables / src / MV3500Cohort2018JanuaryMarch](src/MV3500Cohort2018JanuaryMarch)
 2. Find your current cohort src subdirectories, for example [deliverables / src / MV3500Cohort2018JulySeptember](src/MV3500Cohort2018JulySeptember)
 3. Locate the correct subdirectory (for example **homework1**) to put your files.
-4. Name all of your files starting with your last name, e.g. **BrutzmanProgram.java** **BrutzmanScreenshot.png** etc.
-5. Be sure that names match for **BrutzmanProgram.java** and the class name, i.e. **public class BrutzmanJava**
+4. Name all of your files starting with your last name, e.g. **LastnameProgram.java** **LastnameScreenshot.png** etc.
+5. Be sure that names match for **LastnameProgram.java** and the class name, i.e. **public class LastnameJava**
 6. Be sure to start each .java source file with correct package name, i.e.
    1. import MV3500Cohort2018JulySeptember.homework;
 7. The Run and Debug context menus should be available for you to test your .java source.
@@ -42,3 +42,4 @@ You can now verify that your files are been shared by checking the website:
 * [Netbeans 8](http://www.netbeans.org) and [Using Git Support](https://netbeans.org/kb/docs/ide/git.html) with [tutorial video](https://netbeans.org/kb/docs/ide/github_nb_screencast.html)
 * [GitLab Flavored Markdown (GFM)](https://docs.gitlab.com/ee/user/markdown.html) and [Markdown Cheatsheet](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet)
 * UML [Sequence diagram](https://en.wikipedia.org/wiki/Sequence_diagram) on Wikipedia
+* [Wireshark](https://www.wireshark.org] network protocol analyzer