Warn in case docker daemon is not running in dep checks

hack/bootstrap_tfw_dev.sh

@@ -63,6 +63,13 @@ check_dependencies()
         logged echo "Please install the missing packages and retry!"
         exit 1
     fi
+
+    if [ "$TFWDEV" == "0" ]; then
+        if ! docker info > /dev/null 2>&1; then
+            logged echo "The Docker daemon appears to be stopped. Please start it and try again!"
+            exit 1
+        fi
+    fi
 }
 
 clone_repos()

hack/oneline_install.sh

@@ -1 +1 @@
-URL=https://git.io/vxBfj SHA=8594a813cdc4fd080e6b52c7cba2b41f99aa4f6bb09096d76397e7d07422b341 bash -c 'cmd="$(curl -fsSL $URL)" && [ $(echo "$cmd" | sha256sum | cut -d " " -f1) == $SHA ] && echo "$cmd" | bash || echo Checksum mismatch!'
+URL=https://git.io/vxBfj SHA=ec150859770843f4f8b4f5a16e08cc133c003b209272e715cfcfcd465b3b36e6 bash -c 'cmd="$(curl -fsSL $URL)" && [ $(echo "$cmd" | sha256sum | cut -d " " -f1) == $SHA ] && echo "$cmd" | bash || echo Checksum mismatch!'