Adding additional help text to sample application.
Adding additional help text to sample application.

ebsco/RallyRestToolkitFor.NET,RallyTools/RallyRestToolkitFor.NET,RallyTools/RallyRestToolkitFor.NET,agibson-fl/RallyRestToolkitFor.NET,ebsco/RallyRestToolkitFor.NET,agibson-fl/RallyRestToolkitFor.NET