Add 1.1.4 changelog

CHANGELOG.md

 # Change Log
 
+## [1.1.4] - 2020-10-23
+
+### Added
+
+- Added `installer.parallel` boolean flag (defaults to `true`) configuration to enable/disable parallel execution of operations when using the new installer. ([#3088](https://github.com/python-poetry/poetry/pull/3088))
+
+### Changed
+
+- When using system environments as an unprivileged user, user site and bin directories are created if they do not already exist. ([#3107](https://github.com/python-poetry/poetry/pull/3107))
+
+### Fixed
+
+- Fixed editable installation of poetry projects when using system environments. ([#3107](https://github.com/python-poetry/poetry/pull/3107))
+- Fixed locking of nested extra activations. If you were affected by this issue, you will need to regenerate the lock file using `poetry lock --no-update`.  ([#3229](https://github.com/python-poetry/poetry/pull/3229))
+- Fixed prioritisation of non-default custom package sources. ([#3251](https://github.com/python-poetry/poetry/pull/3251))
+- Fixed detection of installed editable packages when non-poetry managed `.pth` file exists. ([#3210](https://github.com/python-poetry/poetry/pull/3210))
+- Fixed scripts generated by editable builder to use valid import statements. ([#3214](https://github.com/python-poetry/poetry/pull/3214))
+- Fixed recursion error when locked dependencies contain cyclic dependencies. ([#3237](https://github.com/python-poetry/poetry/pull/3237))
+- Fixed propagation of editable flag for VCS dependencies. ([#3264](https://github.com/python-poetry/poetry/pull/3264))
+
 ## [1.1.3] - 2020-10-14
 
 ### Changed
@@ -1063,7 +1083,8 @@ Initial release
 
 
 
-[Unreleased]: https://github.com/python-poetry/poetry/compare/1.1.3...master
+[Unreleased]: https://github.com/python-poetry/poetry/compare/1.1.4...master
+[1.1.3]: https://github.com/python-poetry/poetry/compare/1.1.4
 [1.1.3]: https://github.com/python-poetry/poetry/compare/1.1.3
 [1.1.2]: https://github.com/python-poetry/poetry/releases/tag/1.1.2
 [1.1.1]: https://github.com/python-poetry/poetry/releases/tag/1.1.1