Add change log for 12.0.1

Change-Id: I077362b4ddb4fc09d66e682c9e12775a33d822b7
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

dist/changelog/changes-12.0.1.md

@@ -0,0 +1,97 @@
+Qt Creator 12.0.1
+=================
+
+Qt Creator version 12.0.1 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/v12.0.0..v12.0.1
+
+General
+-------
+
+* Fixed opening files with drag and drop on Qt Creator
+  (QTCREATORBUG-29961)
+
+Editing
+-------
+
+### C++
+
+* Fixed a crash while parsing
+  (QTCREATORBUG-29847)
+* Fixed a freeze when hovering over a class declaration
+  (QTCREATORBUG-29975)
+* Fixed the renaming of virtual functions
+* Fixed `Select Block Up` for string literals
+  (QTCREATORBUG-29844)
+* Fixed the conversion between comment styles for certain indented comments
+
+Projects
+--------
+
+* Fixed the restoring of custom Kit data
+  (QTCREATORBUG-29970)
+* Fixed overlapping labels in the target selector
+  (QTCREATORBUG-29990)
+* Fixed the label for `Custom Executable` run configurations
+  (QTCREATORBUG-29983)
+
+### CMake
+
+* Fixed a crash when opening projects
+  (QTCREATORBUG-29965)
+
+Analyzer
+--------
+
+### Valgrind
+
+* Fixed stopping the Valgrind process
+  (QTCREATORBUG-29948)
+
+Version Control Systems
+-----------------------
+
+### Git
+
+* Fixed that empty blame annotations are shown after saving a file outside of
+  the version control directory
+  (QTCREATORBUG-29991)
+
+Platforms
+---------
+
+### Linux
+
+* Added an error dialog for errors when loading the Qt platform plugin
+  (QTCREATORBUG-30004)
+
+### Boot2Qt
+
+* Fixed deployment on Windows
+  (QTCREATORBUG-29971)
+
+### MCU
+
+* Fixed `Replace existing kits` after changing MCU SDK path
+  (QTCREATORBUG-29960)
+
+Credits for these changes go to:
+--------------------------------
+Alessandro Portale  
+Andre Hartmann  
+Christian Kandeler  
+Christian Stenger  
+Cristian Adam  
+Eike Ziller  
+Jaroslaw Kobus  
+Marcus Tillmanns  
+Orgad Shaneh  
+Robert Löhning  
+Samuli Piippo  
+Tor Arne Vestbø  
+Yasser Grimes