Dev cov (tableau#394)

* Collect test coverage with scrutinizer instead of coveralls

* Restore coverage collecting with coveralls

* Update scrutinizer settings

* Add support for Python 3.8

* Fix static page and add unit test for it

* Delete obsolete test

* Restore scrutinizer configuration

.scrutinizer.yml

@@ -1,37 +1,23 @@
-build:
-  environment:
-    python: 3.6
-  tests:
-    before:
-    - pip install pytest pytest-cov coverage
-    - pip install -r requirements.txt
-  nodes:
-    analysis:
-      project_setup:
-        override:
-        - pip install sklearn pandas numpy textblob nltk scipy
-        tests:
-          override:
-          - py-scrutinizer-run
-          - command: pylint-run
-            use_website_config: true
-    coverage:
-      tests:
-        before:
-        - pip install pytest pytest-cov coverage coveralls
-        - pip install -r requirements.txt
-        override:
-        - command: pytest tests --cov=tabpy
-          coverage:
-            file: '.coverage'
-            config_file: '.coveragerc'
-            format: 'py-cc'
-checks:
-    python:
-        code_rating: true
-        duplicate_code: true
-filter:
-    excluded_paths:
-        - '*/test/*'
-    dependency_paths:
-        - 'lib/*'
+build:
+  environment:
+    python: 3.8
+  nodes:
+    analysis:
+      project_setup:
+        override:
+        - pip install sklearn pandas numpy textblob nltk scipy
+        tests:
+          override:
+          - py-scrutinizer-run
+          - command: pylint-run
+            use_website_config: true
+    tests: true
+checks:
+    python:
+        code_rating: true
+        duplicate_code: true
+filter:
+    excluded_paths:
+        - '*/test/*'
+    dependency_paths:
+        - 'lib/*'