Ignore whitespace when fetching full image name

get-modified-image.sh

@@ -17,5 +17,5 @@ done
 echo "export MODIFIED_IMAGE=${RES}" > variables
 
 # Image name with wanted registry and tag, fetched from Docker Compose
-RES=$(cat $RES/docker-compose.yml | grep $RES | cut -d ':' -f2-)
+RES=$(cat $RES/docker-compose.yml | grep $RES | cut -d ':' -f2- | tr -d ' ')
 echo "export MODIFIED_IMAGE_FULL=${RES}" >> variables

pica-etherpad/entrypoint.sh

@@ -28,7 +28,7 @@ RESULT=`mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} \
 	-e "SHOW DATABASES LIKE '${ETHERPAD_DB_NAME}'"`
 
 if [ "$RESULT" != $ETHERPAD_DB_NAME ]; then
-	# Mysql database does not exist, create it
+	# mysql database does not exist, create it
 	echo "Creating database ${ETHERPAD_DB_NAME}"
 
 	mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} -h${ETHERPAD_DB_HOST} \