Merge pull request #326 from peternewman/trivial-fixes

Yet more using cleanup
Final set of changes to make `make distcheck` work.
Merge branch 'master' of github.com:OpenLightingProject/ola
More fixes to make distclean work.
Merge branch 'master' of github.com:OpenLightingProject/ola
More fixes so that `make distcheck` will work.
Fix the shell scripts that generate .h files from the .proto