changes.tely: mention Flag changes, remove duplicate "does" (issue 5540058)

[plroskin]

Reviewers: ,

Message:
The changelog doesn't mention the issue I have to deal with all the
time, namely splitting Flag from Stem.  If not that change, I would be
able to use Lilypond 2.14.2 and the development version without
convert-ly on the same sources.  It should definitely be mentioned.  An
example is added to show how the flag can be colored now.

Also, there was a duplicate "does" in the section about grace notes.

Description:
changes.tely: mention Flag changes, remove duplicate "does"

Please review this at http://codereview.appspot.com/5540058/

Affected files:
  M Documentation/changes.tely


Index: Documentation/changes.tely
diff --git a/Documentation/changes.tely b/Documentation/changes.tely
index  
50f2022cb29c087161107d3d1c074a52f692e37e..ef61eaeb8866ada482cdd598d33cc32572fe1cba  
100644
--- a/Documentation/changes.tely
+++ b/Documentation/changes.tely
@@ -208,9 +208,16 @@ c4_\< c c^\> c c1_\p


 @item
+Flags are now treated as separate objects rather than as stem parts.
address@hidden,quote,relative=2]
+\override Flag #'color = #red g8
address@hidden lilypond
+
+
address@hidden
 Appoggiaturas and acciaccaturas now also work inside a slur, not only  
inside
 a phrasing slur. Also, a function @code{\slashedGrace} was added that does
-does not use a slur from the acciaccatura note.
+not use a slur from the acciaccatura note.
 @lilypond[fragment,quote,relative=2]
 c4( \appoggiatura e8 d4 \acciaccatura e8 d4 \slashedGrace e8 c4)
 @end lilypond