master - few fixes and improvements

Author: ionghitun

scripts/build.sh

@@ -11,8 +11,8 @@ if [ "$UPDATE_IMAGES" = "y" ] || [ "$UPDATE_IMAGES" = "Y" ]; then
     echo "===== Updating images... ====="
     echo
 
-    NGINX_VERSION=$(sed -n 's/^NGINX_VERSION=//p' .env)
-    PORTAINER_VERSION=$(sed -n 's/^PORTAINER_VERSION=//p' .env)
+    NGINX_VERSION=$(sed -n 's/^NGINX_VERSION=//p' .env | tr -d '\r' | tr -d '"')
+    PORTAINER_VERSION=$(sed -n 's/^PORTAINER_VERSION=//p' .env | tr -d '\r' | tr -d '"')
 
     docker pull "nginx:$NGINX_VERSION"
     docker pull "portainer/portainer-ce:$PORTAINER_VERSION"