banner path config/compose fix

templates/gspecies_compose_template.yml.j2

@@ -38,7 +38,7 @@ services:
             - ./docker_data/galaxy/:/export/:ro
             - ./src_data/:/project_data/:ro
             - ./src_data:/data:ro
-          {% if 'banner' in render_vars %}
+          {% if 'banner_path' in render_vars %}
             - ./banner.png:/var/www/html/banner.png:ro
           {% endif %}
             #- /groups/XXX/:/groups/XXX/:ro  # We do this when we have symlinks in src_data pointing to /groups/XXX/...