Freeze for release.

Author: bjones1

CHANGELOG.md

@@ -22,8 +22,8 @@ Changelog
 [Github master](https://github.com/bjones1/CodeChat_Editor)
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-* Update Graphviz to latest build; make all Graphviz output a block element, not
-  an inline element.
+* Update Graphviz to latest build; make Graphviz output a block element, not an
+  inline element.
 * Allow creating Mermaid and Graphviz diagrams using simpler code block syntax.
 * Support math free of Markdown escaping. This is a backward-incompatible
   change: you must manually remove Markdown escaping from math written before