Update ReadMe files

Author: mdmintz

README.md

@@ -348,6 +348,16 @@ To make things easier, you can add your frequently-used proxies to PROXY_LIST in
 pytest proxy_test.py --proxy=proxy1
 ```
 
+
+### <img src="https://cdn2.hubspot.net/hubfs/100006/images/super_square_logo_3a.png" title="SeleniumBase" height="32"> **Changing the User-Agent:**
+
+If you wish to change the User-Agent for your browser tests (Chrome and Firefox only), you can add ``--agent="USER AGENT STRING"`` as an argument on the command line.
+
+```bash
+pytest user_agent_test.py --agent="Mozilla/5.0 (Nintendo 3DS; U; ; en) Version/1.7412.EU"
+```
+
+
 <a id="utilizing_advanced_features"></a>
 ### <img src="https://cdn2.hubspot.net/hubfs/100006/images/super_square_logo_3a.png" title="SeleniumBase" height="32"> **Production Environments & Integrations:**
 

help_docs/ReadMe.md

@@ -7,7 +7,8 @@
 > - [**Installing Python, Pip, & Git**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/install_python_pip_git.md)
 > - [**Python Virtual Env Tutorial**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/virtualenv_instructions.md)
 > - [**Verify Webdriver Installation**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/verify_webdriver.md)
-> - [**The Command Line Tutorial**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/command_line.md)
+> - [**The Command Line Tutorial**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/customizing_test_runs.md)
+> - [**The Console Scripts Tutorial**](https://github.com/seleniumbase/SeleniumBase/blob/master/seleniumbase/console_scripts/ReadMe.md)
 > - [**SeleniumBase Method Summary**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/method_summary.md)
 > - [**MySQL Installation Overview**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/mysql_installation.md)
 > - [**Safari Driver Detailed Info**](https://github.com/seleniumbase/SeleniumBase/blob/master/help_docs/using_safari_driver.md)

help_docs/customizing_test_runs.md

@@ -6,6 +6,7 @@ In addition to [settings.py](https://github.com/seleniumbase/SeleniumBase/blob/m
 * Choose betweeen pytest & nose unittest runners
 * Choose whether to enter Debug Mode on failures
 * Choose additional variables to pass into tests
+* Choose the User-Agent for the browser to use
 * Change the automation speed (with Demo Mode)
 * Choose whether to run tests multi-threaded
 * Choose whether to retry failing tests
@@ -39,9 +40,11 @@ pytest test_suite.py --reruns 1 --reruns-delay 2
 
 pytest test_suite.py --server=IP_ADDRESS --port=4444
 
-pytest test_suite.py --proxy=IP_ADDRESS:PORT
+pytest proxy_test.py --proxy=IP_ADDRESS:PORT
+
+pytest proxy_test.py --proxy=USERNAME:PASSWORD@IP_ADDRESS:PORT
 
-pytest test_suite.py --proxy=USERNAME:PASSWORD@IP_ADDRESS:PORT
+pytest user_agent_test.py --agent="USER-AGENT STRING"
 
 pytest test_fail.py --pdb -s
 ```
@@ -178,3 +181,11 @@ To make things easier, you can add your frequently-used proxies to PROXY_LIST in
 ```bash
 pytest proxy_test.py --proxy=proxy1
 ```
+
+#### **Changing the User-Agent:**
+
+If you wish to change the User-Agent for your browser tests (Chrome and Firefox only), you can add ``--agent="USER-AGENT STRING"`` as an argument on the command line.
+
+```bash
+pytest user_agent_test.py --agent="Mozilla/5.0 (Nintendo 3DS; U; ; en) Version/1.7412.EU"
+```