Always upload artifacts used in other test activities

if this is a pull request we want to make a versioned copy of the
compiled binaries so they can be used by the image export tests
to make sure the PR hasn't broken other components

.travis.yml

@@ -37,11 +37,18 @@ after_success:
 
             docker login -u atodorov -p $DOCKER_PASSWORD
             docker push welder/bdcs-build-img
+        fi
 
-            s3cmd sync --access_key="$ARTIFACTS_KEY" --secret_key="$ARTIFACTS_SECRET" -v -P ./importer/dist/build/import/import s3://weldr/import
-            s3cmd sync --access_key="$ARTIFACTS_KEY" --secret_key="$ARTIFACTS_SECRET" -v -P ./importer/dist/build/export/export s3://weldr/export
+        TARGET_DIR="artifacts/bdcs"
+        if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
+            TARGET_DIR="$TARGET_DIR/$TRAVIS_PULL_REQUEST"
         fi
 
+        # upload artifacts on which other test activities depend
+        s3cmd sync --access_key="$ARTIFACTS_KEY" --secret_key="$ARTIFACTS_SECRET" -v -P ./importer/dist/build/import/import s3://weldr/$TARGET_DIR/import
+        s3cmd sync --access_key="$ARTIFACTS_KEY" --secret_key="$ARTIFACTS_SECRET" -v -P ./importer/dist/build/export/export s3://weldr/$TARGET_DIR/export
+        s3cmd sync --access_key="$ARTIFACTS_KEY" --secret_key="$ARTIFACTS_SECRET" -v -P ./schema.sql s3://weldr/$TARGET_DIR/schema.sql
+
 notifications:
   email:
     on_failure: change