message: updated changelog for version 1.2.2
diff: # Change Log
  +## [1.2.2](https://github.com/onqtam/doctest/tree/1.2.2) (2017-09-05)
  +[Full Changelog](https://github.com/onqtam/doctest/compare/1.2.1...1.2.2)
  +
  +**Closed issues:**
  +
  +- \[question\] Differences between doctest and googletest \(gtest\) for uninitialised local variables in test cases [\#86](https://github.com/onqtam/doctest/issues/86)
  +- !!! BREAKING CHANGE !!! - remove the custom implementation of std::is\_constructible and optionally use the \<type\_traits\> header because of infinite template recursion issues with GCC [\#85](https://github.com/onqtam/doctest/issues/85)
  +- Static Analysis results of doctest [\#83](https://github.com/onqtam/doctest/issues/83)
  +- !!! BREAKING CHANGE !!! - catch exceptions as const reference in \<LEVEL\>\_THROWS\_AS [\#81](https://github.com/onqtam/doctest/issues/81)
  +- doctest implementation as static library [\#77](https://github.com/onqtam/doctest/issues/77)
  +- \[question\] Private members [\#76](https://github.com/onqtam/doctest/issues/76)
  +- Provide some easy way to compare structs containing float/doubles [\#73](https://github.com/onqtam/doctest/issues/73)
  +
  +**Merged pull requests:**
  +
  +- Add support for templated scenarios [\#87](https://github.com/onqtam/doctest/pull/87) ([Lectem](https://github.com/Lectem))
  +- Prefer if\(MSVC\) in CMakeLists.txt. [\#84](https://github.com/onqtam/doctest/pull/84) ([martinmoene](https://github.com/martinmoene))
  +- catch throw\_as exception as const reference [\#82](https://github.com/onqtam/doctest/pull/82) ([a4z](https://github.com/a4z))
  +- Added doctest\_with\_main static lib [\#78](https://github.com/onqtam/doctest/pull/78) ([ymadzhunkov](https://github.com/ymadzhunkov))
  +
  ## [1.2.1](https://github.com/onqtam/doctest/tree/1.2.1) (2017-05-24)
  [Full Changelog](https://github.com/onqtam/doctest/compare/1.2.0...1.2.1)
  