Modifies quote.ly and quote-during.ly to revert to their original behavior. (issue4385047)

[mtsolo]

Reviewers: ,

Description:
Modifies quote.ly and quote-during.ly to revert to their original
behavior.

Beam collision avoidance now causes stems to elongate to avoid
collisions.
To reinstate the collisions, the collision-voice-only property has been
set to ##t.

Please review this at http://codereview.appspot.com/4385047/

Affected files:
  M input/regression/quote-during.ly
  M input/regression/quote.ly


Index: input/regression/quote-during.ly
diff --git a/input/regression/quote-during.ly  
b/input/regression/quote-during.ly
index  
225bf6ebdda1899a852d48d470c6bd2de35c9dfd..f7a1e974e254743ada101f3816302a961e12189a  
100644
--- a/input/regression/quote-during.ly
+++ b/input/regression/quote-during.ly
@@ -32,7 +32,7 @@ original = \relative c'' { c8 d s2 es8 gis8 }
        
        \set Staff.instrumentName = "orig+quote"      
        \set Staff.quotedEventTypes = #'(note-event articulation-event)
-       \original
+	\new Voice { \override Voice . Beam #'collision-voice-only = ##t  
\original }
        { s4 \quoteDuring #"quoteMe" { s2. } }
     >>
 >>
Index: input/regression/quote.ly
diff --git a/input/regression/quote.ly b/input/regression/quote.ly
index  
759a3d0a4fcfb8ce751b4c1bc7e77fda8cba1f45..4db2c6719b1cd82e160a7532123bfc1f0a7687bf  
100644
--- a/input/regression/quote.ly
+++ b/input/regression/quote.ly
@@ -30,7 +30,7 @@ original = \relative c'' { c8 d s2 es8 gis8 }
     \new Staff \relative c'' <<
        \set Staff.instrumentName = "orig+quote"      
        \set Staff.quotedEventTypes = #'(note-event articulation-event)
-       \original
+	\new Voice { \override Voice . Beam #'collision-voice-only = ##t  
\original }
        \new Voice {
            s4
            \set fontSize = #-4