Merge branch 'ht/blank' into ht/namespaces

Merge branch 'ht/blank' into ht/namespaces

* ht/blank:
  Update blank mode example programs
  Rename example programs to use the new blank mode
  Add blank mode operation of the Shapes compiler
  Add missing const specifier on PDF_out::writeFile
  Fix minor error in man page

Conflicts:
	doc/parts/bindings/functions.sxml
	doc/parts/extensions/program-flow.sxml
	doc/parts/structure/chap-guidelines.sxml
	doc/parts/syntax/binding.sxml
	doc/parts/syntax/compound.sxml
	doc/parts/syntax/continuations.sxml
	doc/parts/syntax/misc.sxml
	doc/parts/tutorial/chap-prog.sxml
	doc/parts/types/containers.sxml
	examples/doc/schur.blank
	examples/features/amb.blank
	examples/features/ascii-fallbacks.blank
	examples/features/cond-impl.blank
	examples/features/curry.blank
	examples/features/data-strings.blank
	examples/features/dynamic.blank
	examples/features/error.blank
	examples/features/escape.blank
	examples/features/evalorder.blank
	examples/features/folds.blank
	examples/features/if.blank
	examples/features/orthogonal.blank
	examples/features/ranges.blank
	examples/features/scopes.blank
	examples/features/shortcut.blank
	examples/features/show.blank
	examples/features/states.blank
	examples/features/static_errors.blank
	examples/features/streams.blank
	examples/features/transforms.shape
	examples/features/unicode.blank
	examples/features/values.blank
	examples/features/warm.blank