Merge https://github.com/rticommunity/rticonnext-usecases
Documentation update - page numbers.
Code Cleanup

- Making methods smaller / breaking into multiple methods for clarity
- Minor fixes to comments
Added readme for Chocolate Factory
Better behavior when no recipe available

Changed the station controller to wait until a recipe is available
rather than throwing an exception if no recipe is available.
Changed topic name.
Better error handling if participant create fails

Catching the exception in the application if the DomainParticipant fails
to create, and not crashing on shutdown after the failure.
Merge pull request #24 from rosemwahlin/master

Fixing behavior, added README