Add changes file for 4.15.1

Change-Id: I032ed9a2113e0e2a13988b58d2acf90c0fab7aa3
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

dist/changes-4.15.1.md

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+Qt Creator 4.15.1
+=================
+
+Qt Creator version 4.15.1 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/v4.15.0..v4.15.1
+
+General
+-------
+
+* Fixed crash in `Search Results` pane (QTCREATORBUG-25713)
+* Fixed crash when showing tooltips after screen configuration changes
+  (QTCREATORBUG-25747)
+* Fixed environment selection for external tools (QTCREATORBUG-25634)
+
+Editing
+-------
+
+* Fixed crash when opening settings from tooltip (QTCREATORBUG-25623)
+* Fixed hiding of function hints (QTCREATORBUG-25664)
+* Fixed vanishing text marks (QTCREATORBUG-25427)
+
+### C++
+
+* Fixed freeze when updating project while indexing is running
+
+### QML
+
+* Fixed wrong warning for blocks with `case` and `let` (QTCREATORBUG-24214)
+
+### QRC
+
+* Fixed that `compress-algo` tags were removed (QTCREATORBUG-25706)
+
+Projects
+--------
+
+* Fixed restoration of `Projects` mode layout (QTCREATORBUG-25551)
+
+### Wizards
+
+* Fixed `Fetch data asynchronously` for list and table models
+
+### CMake
+
+* Fixed issues when switching configurations or running CMake while parsing
+  (QTCREATORBUG-25588, QTCREATORBUG-25287)
+* Fixed crash when cancelling scanning the project tree (QTCREATORBUG-24564)
+* Fixed custom targets missing in Locator (QTCREATORBUG-25726)
+
+Debugging
+---------
+
+### GDB
+
+* Fixed crash (QTCREATORBUG-25745)
+
+Test Integration
+----------------
+
+* Fixed selection of individual tests (QTCREATORBUG-25702)
+
+### Catch2
+
+* Fixed issues with Catch2 3.0 (QTCREATORBUG-25582)
+
+### GoogleTest
+
+* Fixed crash with empty test name
+
+Platforms
+---------
+
+### Windows
+
+* Fixed issues with `clang-cl` toolchain (QTCREATORBUG-25690,
+  QTCREATORBUG-25693, QTCREATORBUG-25698)
+
+### Remote Linux
+
+* Fixed install step (QTCREATORBUG-25359)
+
+### Android
+
+* Improved startup time (QTCREATORBUG-25463)
+* Fixed `Checking pending licenses` (QTCREATORBUG-25667)
+
+### MCU
+
+* Added support for Cypress Traveo II (UL-4242)
+* Fixed CMake generator for GHS compiler (UL-4247)
+
+Credits for these changes go to:
+--------------------------------
+Alessandro Portale  
+André Pönitz  
+Christiaan Janssen  
+Christian Kandeler  
+Christian Stenger  
+Cristian Adam  
+David Schulz  
+Eike Ziller  
+Erik Verbruggen  
+Ivan Komissarov  
+Jaroslaw Kobus  
+Knud Dollereder  
+Leena Miettinen  
+Marco Bubke  
+Michael Winkelmann  
+Miikka Heikkinen  
+Mikhail Khachayants  
+Mitch Curtis  
+Tapani Mattila  
+Thiago Macieira  
+Thomas Hartmann  
+Tim Jenssen