Define the report style to be used by default in scripts

* Install hifis-surveyval 1.5.0 in .gitlab-ci.yml
* Configure the plot style to be used in the surveyval configuration
  file

.gitlab-ci.yml

@@ -25,7 +25,7 @@ build:graphsreport:
     - echo "Before script section"
     - export APT_CACHE_DIR=`pwd`/apt-cache && mkdir -pv $APT_CACHE_DIR
     - apt-get update && apt-get -o dir::cache::archives="$APT_CACHE_DIR" -y install pip
-    - pip install hifis-surveyval==1.4.0 wordcloud==1.8.1
+    - pip install hifis-surveyval==1.5.0 wordcloud==1.8.1
     - echo "Before script section END."
   script:
     - if [ ! -e report/fig ]; then mkdir -v report/fig; fi

hifis-surveyval.yml

 ANONYMOUS_QUESTION_ID: _
+CUSTOM_PLOT_STYLE: report_style
 DATA_ID_SEPARATOR: _
 HIERARCHY_SEPARATOR: /
 ID_COLUMN_NAME: id