sw: fix include guards

after the latest file move

Change-Id: I105eb04ad98d1bf71eddec4528657c248fcc4348
fix-includeguards.pl: handle odk/examples/DevelopersGuide

Change-Id: Ibdefb876d39419ff622917fcef427b33e3942ae4
odk/examples: pretty up

Change-Id: Id157616660253913ef0ef94c17a680bddacb0660