Updating changelog

CHANGELOG.md

@@ -5,6 +5,9 @@ Upcoming version:
   - updating gradle scmversion plugin (Nikolaus Krismer)
   - added contribution guidelines (Nikolaus Krismer)
   - moving gradle changelog tasks to separate buildscript (Nikolaus Krismer)
+
+Version v0.5.1:
+---------------
   - fixing problems in changelog generation (again) (Nikolaus Krismer)
   - Merge branch 'master' of git@dbis-git.uibk.ac.at:krismer/isochrone-vm.git (Nikolaus Krismer)
   - calling grgit add before grgit commit (by now push is empty) (Nikolaus Krismer)
@@ -17,9 +20,6 @@ Upcoming version:
   - fixing problems with gradle's clean task (Nikolaus Krismer)
   - fixing invalid clean task definition (Nikolaus Krismer)
   - adding removal of CHANGELOG to clean task (Nikolaus Krismer)
-
-Version v0.5.1:
----------------
   - removed hard-coded version from gradle (is set using scmversion plugin) (Nikolaus Krismer)
   - added density generation for synthethic networks (Nikolaus Krismer)
   - removed pgRouting / osm2pgrouting from files (not needed and never used) (Nikolaus Krismer)