Travis: use latest stable Storm version

.travis.yml

@@ -48,13 +48,13 @@ jobs:
     # Docker Storm stable
     - os: linux
       compiler: gcc
-      env: TASK=Test CONFIG=Release DOCKER=storm:1.5.1 PYTHON=python3
+      env: TASK=Test CONFIG=Release DOCKER=storm:1.6.0 PYTHON=python3
       script:
         travis/build.sh
     # Docker Storm stable in debug mode
     - os: linux
       compiler: gcc
-      env: TASK=Test CONFIG=Debug DOCKER=storm:1.5.1-debug PYTHON=python3
+      env: TASK=Test CONFIG=Debug DOCKER=storm:1.6.0-debug PYTHON=python3
       script:
         travis/build.sh
     # Documentation
@@ -76,6 +76,6 @@ jobs:
   # Allow failures of stable versions as new features might have been added
   allow_failures:
     - os: linux
-      env: TASK=Test CONFIG=Release DOCKER=storm:1.5.1 PYTHON=python3
+      env: TASK=Test CONFIG=Release DOCKER=storm:1.6.0 PYTHON=python3
     - os: linux
-      env: TASK=Test CONFIG=Debug DOCKER=storm:1.5.1-debug PYTHON=python3
+      env: TASK=Test CONFIG=Debug DOCKER=storm:1.6.0-debug PYTHON=python3

CHANGELOG.md

@@ -4,6 +4,8 @@ Changelog
 Version 1.6.x
 -------------
 
+### Version 1.6.1 (under development)
+
 ### Version 1.6.0 (2020/06)
 Requires storm version >= 1.6.0 and pycarl version >= 2.0.4