Update changelog. (#1556)

* Update changelog.

Author: sean-mcmanus

Extension/CHANGELOG.md

@@ -1,15 +1,19 @@
 # C/C++ for Visual Studio Code Change Log
 
-## Version 0.15.0: February 14, 2018
+## Version 0.15.0: February 15, 2018
 * Add colorization for inactive regions. [#1466](https://github.com/Microsoft/vscode-cpptools/issues/1466)
-* Fix 3 highest hitting crashes. [#1137](https://github.com/Microsoft/vscode-cpptools/issues/1137), [#1337](https://github.com/Microsoft/vscode-cpptools/issues/1337)
+* Fix 3 highest hitting crashes. [#1137](https://github.com/Microsoft/vscode-cpptools/issues/1137), [#1337](https://github.com/Microsoft/vscode-cpptools/issues/1337), [#1497](https://github.com/Microsoft/vscode-cpptools/issues/1497)
 * Update IntelliSense compiler (bug fixes and more C++17 support). [#1067](https://github.com/Microsoft/vscode-cpptools/issues/1067), [#1313](https://github.com/Microsoft/vscode-cpptools/issues/1313), [#1461](https://github.com/Microsoft/vscode-cpptools/issues/1461)
-* Fix `Go to Symbol in File...` being slow for large workspaces. [#1472](https://github.com/Microsoft/vscode-cpptools/issues/1472)
 * Fix duplicate `cannot open source file` errors. [#1469](https://github.com/Microsoft/vscode-cpptools/issues/1469)
+* Fix `Go to Symbol in File...` being slow for large workspaces. [#1472](https://github.com/Microsoft/vscode-cpptools/issues/1472)
+* Fix stuck processes during shutdown. [#1474](https://github.com/Microsoft/vscode-cpptools/issues/1474)
 * Fix error popup appearing with non-workspace files when using `compile_commands.json`. [#1475](https://github.com/Microsoft/vscode-cpptools/issues/1475)
+* Fix snippet completions being blocked after `#`. [#1531](https://github.com/Microsoft/vscode-cpptools/issues/1531)
 * Add more macros to `cpp.hint` (fixing missing symbols).
-* Added support for config variables to `c_cpp_properties.json` [#314](https://github.com/Microsoft/vscode-cpptools/issues/314)
+* Added support for config variables to `c_cpp_properties.json`. [#314](https://github.com/Microsoft/vscode-cpptools/issues/314)
+  * Joshua Cannon (@thejcannon) [PR #1529](https://github.com/Microsoft/vscode-cpptools/pull/1529)
 * Define `_UNICODE` by default on Windows platforms. [#1538](https://github.com/Microsoft/vscode-cpptools/issues/1538)
+  * Charles Milette (@sylveon) [PR #1540](https://github.com/Microsoft/vscode-cpptools/pull/1540)
 
 ## Version 0.14.6: January 17, 2018
 * Fix tag parser failing (and continuing to fail after edits) when it shouldn't. [#1367](https://github.com/Microsoft/vscode-cpptools/issues/1367)