Add change log for 3.6

Change-Id: I616e6133ee1b1b7dc952cf7f83054b5ef0d0b534
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@theqtcompany.com>

dist/changes-3.6.0.md

+Qt Creator version 3.6 contains bug fixes and new features.
+
+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/3.5..origin/3.6
+
+General
+
+* Added text zoom in application and compile output (QTCREATORBUG-12476)
+* Fixed that context help was shown for current keyboard focus widget, even when
+  a tool tip with help icon was visible (QTCREATORBUG-5345)
+
+Editing
+
+* Added experimental editor for UML-like diagrams (`ModelEditor` plugin)
+* Made it possible to use Qt Creator variables in snippets
+* Fixed indentation in block selection mode (QTCREATORBUG-12697)
+* Fixed that Qt Creator tried to write auto-save files in read-only
+  directories
+* Fixed possible crash with code completion (QTCREATORBUG-14875)
+
+Project Management
+
+* Added actions for building without dependencies and for rebuilding
+  and cleaning with dependencies to context menu of project tree
+  (QTCREATORBUG-14606)
+* Added option to synchronize kits between all projects in a session
+  (QTCREATORBUG-5823)
+
+QMake Projects
+
+* Changed project display names to be `QMAKE_PROJECT_NAME` if set
+  (QTCREATORBUG-13950)
+* Fixed that `.pri` files were shown in flat list instead of tree
+  (QTCREATORBUG-487)
+* Fixed that `QMAKE_EXT_H` was ignored for UI code model (QTCREATORBUG-14910)
+* Fixed that `make` build step was not updated on environment changes
+  (QTCREATORBUG-14831)
+
+CMake Projects
+
+* Improved handling of projects with CMake errors (QTCREATORBUG-6903)
+* Added option for `Debug`, `Release`, `ReleaseWithDebugInfo` and
+  `MinSizeRelease` build types (QTCREATORBUG-12219)
+* Added auto-indent and parentheses and quote matching to CMake editor
+
+C++ Support
+
+* Added support for `noexcept`
+* Clang code model
+    * Added diagnostic messages to editors
+    * Added Clang's Fix-its to refactoring actions (QTCREATORBUG-14868)
+
+Debugging
+
+* Made sub-registers editable
+* Fixed breakpoint removal from disassembler view (QTCREATORBUG-14973)
+* CDB
+    * Fixed auto-detection of CDB from Windows 10 Kits
+* LLDB
+    * Fixed handling of large registers
+* QML/JS Console
+    * Implemented lazy loading of sub-items
+    * Improved error reporting
+
+Analyzer
+
+* Improved diagnostics view to use tree view instead of list
+
+QML Profiler
+
+* Improved performance of timeline view (QTCREATORBUG-14983)
+
+Qt Quick Designer
+
+* Made Qt Quick Designer aware of QRC files in project
+* Improved selection behavior with regard to z-order in form editor
+  (QTCREATORBUG-11703)
+* Added `Go to Implementation` action from `.ui.qml` file to its
+  associated `.qml` file
+* Added connection editor and path editor
+
+Version Control Systems
+
+* Subversion
+    * Fixed encoding issues for commit message (QTCREATORBUG-14965)
+* Perforce
+    * Fixed showing differences of files in submit editor when using
+      P4CONFIG (QTCREATORBUG-14538)
+
+TODO
+
+* Added option to show TODOs only for current sub-project
+
+Platform Specific
+
+Windows
+
+* Fixed detection of `cygwin` ABIs
+
+OS X
+
+* Added option for file system case-sensitivity and made it case-insensitive by
+  default (QTCREATORBUG-13507)
+* Added option to set `DYLD_LIBRARY_PATH` and `DYLD_FRAMEWORK_PATH` in
+  run configurations (QTCREATORBUG-14022)
+
+Android
+
+* Fixed that QML syntax errors where not clickable in application output
+  (QTCREATORBUG-14832)
+* Fixed deployment on devices without `readlink` (QTCREATORBUG-15006)
+* Fixed debugging of signed applications (requires Qt 5.6) (QTCREATORBUG-13035)
+
+iOS
+
+* Improved error messages for deployment
+
+Remote Linux
+
+* Added support for ECDSA public keys with 384 and 521 bits,
+  ECDSA user keys, and ECDSA key creation
+* Fixed environment and working directory for Valgrind analyzer
+