Merge pull request #472 from nomis52/master

Add support for the Draft E1.31 discovery protocol.
Merge pull request #474 from nomis52/master

Send the Stream terminated message on shutdown or unpatch.
Merge pull request #475 from nomis52/master

Clean up the examples to use the new API.
Fix the e133 configure arg
Merge branch 'master' of github.com:OpenLightingProject/ola
Clean up some of the pkg-config files.
Updated .gitignore for doxygen example files
Merge pull request #477 from lukase/master

Updated .gitignore for doxygen example files on Windows
Add the missing doxygen example program