Add changes file for 4.11.2

Change-Id: I6bd6bc3e682c13ca562bcf33f458444e8f74b353
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

dist/changes-4.11.2.md

@@ -0,0 +1,54 @@
+Qt Creator 4.11.2
+=================
+
+Qt Creator version 4.11.2 contains bug fixes.
+
+The most important changes are listed in this document. For a complete
+list of changes, see the Git log for the Qt Creator sources that
+you can check out from the public Git repository. For example:
+
+    git clone git://code.qt.io/qt-creator/qt-creator.git
+    git log --cherry-pick --pretty=oneline origin/v4.11.1..v4.11.2
+
+Editing
+-------
+
+* Improved performance of highlighting (QTCREATORBUG-23281)
+* Fixed that `Rewrap Paragraph` split on non-breaking space (QTCREATORBUG-23643)
+* Fixed freeze with block selection (QTCREATORBUG-23622)
+* Fixed high CPU usage after scrolling horizontally (QTCREATORBUG-23647)
+* Fixed scroll position after splitting if text cursor is not visible
+* Fixed position of markers in scrollbar for long documents (QTCREATORBUG-23660)
+
+### Python
+
+* Fixed warnings in files generated by Python file wizard
+
+### Language Client
+
+* Fixed issue with server restart after server crash (QTCREATORBUG-23648)
+
+Projects
+--------
+
+* Fixed wrong default project for adding files via wizards (QTCREATORBUG-23603)
+
+Platforms
+---------
+
+### macOS
+
+* Fixed issues with notarization of binary package
+
+Credits for these changes go to:
+--------------------------------
+
+André Pönitz  
+Andy Shaw  
+Christian Kandeler  
+David Schulz  
+Eike Ziller  
+Leena Miettinen  
+Orgad Shaneh  
+Richard Weickelt  
+Tobias Hunger