Update ReadMe files

Author: mdmintz

seleniumbase/console_scripts/ReadMe.md

@@ -49,6 +49,19 @@ file name while keeping the original file intact.
 Works with Katalon Recorder scripts.
 See: http://www.katalon.com/automation-recorder
 
+### download
+
+* Usage:
+``seleniumbase download [ITEM]``
+        (Options: server)
+
+* Example:
+``seleniumbase download server``
+
+* Output:
+Downloads the specified item.
+(server is required for using your own Selenium Grid)
+
 ### grid-hub
 
 * Usage:

seleniumbase/utilities/selenium_grid/ReadMe.md

@@ -4,16 +4,22 @@ The Selenium Grid Hub lets you distribute tests to run in parallel across multip
 
 ### Running the Selenium Grid Hub
 
-The following commands will work once you've installed seleniumbase, which comes with the seleniumbase console scripts interface.
+The following commands will work once you've installed seleniumbase.
 
-Grid Hub server controls:
+#### <img src="https://cdn2.hubspot.net/hubfs/100006/images/sb_logo_box2.png" title="SeleniumBase" height="32"> Downloading the Selenium Server JAR file:
+```
+seleniumbase download server
+```
+* (Required for using your own Selenium Grid)
+
+#### <img src="https://cdn2.hubspot.net/hubfs/100006/images/sb_logo_box2.png" title="SeleniumBase" height="32"> Grid Hub server controls:
 ```
 seleniumbase grid-hub {start|stop|restart} [OPTIONS]
 ```
 Options:
 * ``-v``, ``--verbose``  (Increases verbosity of logging output.)
 
-Grid node server controlls:
+#### <img src="https://cdn2.hubspot.net/hubfs/100006/images/sb_logo_box2.png" title="SeleniumBase" height="32"> Grid node server controls:
 ```
 seleniumbase grid-node {start|stop|restart} --hub=[HUB_IP] [OPTIONS]
 ```