rename image-exporter -> orca

Author: etpinard

tasks/noci_test.sh

@@ -9,11 +9,12 @@ root=$(dirname $0)/..
 npm run test-jasmine -- --tags=noCI --nowatch || EXIT_STATE=$?
 
 # mapbox image tests take too much resources on CI
-
-# since the update to mapbox-gl@0.44.0, we must use 'new' image-exporter
+#
+# since the update to mapbox-gl@0.44.0, we must use orca
 # as mapbox-gl versions >0.22.1 aren't supported on nw.js@0.12 used in the
 # 'old' image server
-$root/../image-exporter/bin/plotly-graph-exporter.js $root/test/image/mocks/mapbox_* \
+$root/../orca/bin/orca.js graph \
+    $root/test/image/mocks/mapbox_* \
     --plotly $root/build/plotly.js \
     --mapbox-access-token "pk.eyJ1IjoiZXRwaW5hcmQiLCJhIjoiY2luMHIzdHE0MGFxNXVubTRxczZ2YmUxaCJ9.hwWZful0U2CQxit4ItNsiQ" \
     --output-dir $root/test/image/baselines/ \