Merge pull request #320 from peternewman/trivial-fixes

Ignore some files that are now generated automagically as part of the build
Merge pull request #321 from peternewman/trivial-fixes

More autotools cleanup
Expose the PID data location at run time so you don't need the defines.
Merge branch 'master' of github.com:OpenLightingProject/ola
More Makefile.am cleanup.
More Makefile.am cleanup so that remote builds work now.