* Documentation/user/examples.itely: removed \midi block to

	* Documentation/user/examples.itely: removed \midi block to
	simplify the example

	* Documentation/user/notation.itely: Removed superfluous
	TextSpanner tweakings (is already done by engraver-init.ly).
	Documented bug: vertical alignment of articulations.

	* Documentation/user/notation.itely, ly/engraver-init.ly
	(VaticanaVoice, GregorianTranscriptionVoice): Bugfix: TextSpanner
	padding.

	* Documentation/user/notation.itely, ly/engraver-init.ly: moved
	docu about TextSpanner padding bug from manual to engraver.ly
	(since it's workarounded and hence not user-visible any more)