Merge pull request nasa#1193 from zanzaben/fix1033_Update_App_Dev_Guide

Fix nasa#1033, remove false child tasks statement.

docs/cFE Application Developers Guide.md

@@ -488,12 +488,12 @@ deciding on whether to create multiple Applications versus a single
 Application with multiple Tasks, the Application Developer should keep
 in mind these facts:
 
--   Child Tasks can only execute at a priority equal to or less than the
-    priority of the Application's Main Task.
+-   When the Application exits it is the responsiabilty of the 
+    Main Task to safely stop all of its Child Tasks.
 
 -   If the Main Task of an Application is stopped, either through
     detection of an exception or via command, all Child Tasks are also
-    stopped.
+    forcibly stopped in an unsafe manner. 
 
 Child Tasks can be useful in both "Software Only" and "Hardware Servicing"
 applications.