Merge branch 'empyre-preparation-0.0' into 'master'

Next try to correct gitlab-ci.yaml

See merge request empyre/empyre!24

.gitlab-ci.yml

@@ -58,8 +58,8 @@ pages:
     artifacts:
         paths:
             - public
-    only:  # Will be deprecated in the future, should then be replaced with rules (see pypi job)!
-       - master
+    rules:
+       - if:  '$CI_COMMIT_BRANCH == "master" || $CI_COMMIT_TAG =~ /^\d+\.\d+(\.\d+)?$/'
 
 pypi:
     stage: deploy
@@ -72,4 +72,4 @@ pypi:
     rules:  # similar to only/except, but newer!
         # Job is executed if branch is master AND if a tag is building which matches the regular expression!
         # ONLY executes if commit to master has a tag, ^:start, $:end, valid example: "1.2.3", no "-dev" at the end!
-        - if: '$CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "master" && $CI_COMMIT_TAG =~ /^\d+\.\d+(\.\d+)?$/'
+        - if: '$CI_COMMIT_TAG =~ /^\d+\.\d+(\.\d+)?$/'

docs/vis.rst

 The vis visualization submodule
 ===============================
 
-vis docu here!
\ No newline at end of file
+vis docu here!