message: Adapt spaces between Releases in CHANGELOG.md
diff: @@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  ### Added
  - MediaManager for file management in courses
  +
  ## [0.5.0] - 2018-03-24 - WS 17/18 intermediate Release
  ### Added
  - selective download of the course
  @@ -24,6 +25,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  - user password edit
  - adds imprint
  +
  ## [0.4.0] - 2017-12-04 - WS 17/18 Second feature release
  ### Added
  - Responsivness improved
  @@ -42,6 +44,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  ### Added
  - The possibility to use a other database name then 'test'
  +
  ## [0.3.0] - 2017-11-02
  ### Added
  - a lot of major bugfixes and optimizations
  @@ -65,4 +68,3 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  ## [0.1.0] - 2017-05-11 - Basics implemented
  ### Added
  - Many basic implementations of ground functionality
  -
  