Merge branch 'feature/expert_app_image' into 'master'

Expert App Header Image

See merge request cara/cara!384

cara/apps/expert/cara.ipynb

@@ -5,7 +5,7 @@
    "metadata": {},
    "source": [
     "<div style=\"text-align: center;\" align=\"center\" >\n",
-    "<img src=\"files/header_image.png\" style=\"height:8em\"></img></div>\n",
+    "<img src=\"./files/static/images/header_image.png\" style=\"height:5em\"></img></div>\n",
     "<p style=\"text-align: center;\">\n",
     "Please see the <a href=\"https://cara.web.cern.ch/\">CARA homepage</a> for details on the methodology, assumptions and limitations of CARA.</p>"
    ]

cara/apps/expert/static

@@ -1 +0,0 @@
-../cara/apps/static