Add changes file for 4.5.1

Change-Id: I4b5cd0eb7675e2fb3396668517a587e7496608ec
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

dist/changes-4.5.1.md

@@ -0,0 +1,85 @@
+Qt Creator version 4.5.1 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 v4.5.0..v4.5.1
+
+Help
+
+* Fixed that mouse cursor got stuck in waiting state when jumping to
+  anchor within open help page (QTCREATORBUG-19649)
+
+All Projects
+
+* Fixed predefined macro setting for custom toolchains (QTCREATORBUG-19714)
+
+QMake Projects
+
+* Fixed crash when importing build (QTCREATORBUG-19391)
+* Fixed crash when switching file while project is parsing (QTCREATORBUG-19428)
+
+Qbs Projects
+
+* Fixed issue with toolchain setup (QTCREATORBUG-19467)
+* Fixed reparsing after switching build configuration
+
+Qt Quick Designer
+
+* Fixed painting artifacts while resizing
+
+Nim Support
+
+* Fixed debugging (QTCREATORBUG-19414)
+
+Debugging
+
+* CDB
+    * Improved performance when stepping (QTCREATORBUG-18613)
+
+QML Profiler
+
+* Fixed `Analyze Current Range` (QTCREATORBUG-19456)
+* Fixed attaching to running application (QTCREATORBUG-19496)
+
+Version Control Systems
+
+* Gerrit
+    * Fixed that dialog could use wrong repository (QTCREATORBUG-19562)
+
+Platform Specific
+
+Windows
+
+* Fixed issue with `PATH` when running QMake project
+* Fixed issue with `PATH` when debugging with GDB
+* Fixed multiple registration of MSVC 2015 Build Tools
+
+Universal Windows Platform
+
+* Fixed that changes to deployment steps did not persist
+
+Credits for these changes go to:  
+Alessandro Portale  
+Alexandru Croitor  
+André Pönitz  
+Christian Kandeler  
+Christian Stenger  
+David Schulz  
+Eike Ziller  
+Friedemann Kleint  
+Ivan Donchevskii  
+Jaroslaw Kobus  
+Leena Miettinen  
+Nikolai Kosjar  
+Orgad Shaneh  
+Oswald Buddenhagen  
+Robert Löhning  
+Samuel Gaist  
+Sergey Belyashov  
+Thomas Hartmann  
+Tim Jenssen  
+Tobias Hunger  
+Ulf Hermann