Allow forward slashes in Hugo new on Windows

Fixes  #1133

commands/new_test.go

@@ -0,0 +1,14 @@
+package commands
+
+import (
+	"github.com/stretchr/testify/assert"
+	"path/filepath"
+	"testing"
+)
+
+// Issue #1133
+func TestNewContentPathSectionWithForwardSlashes(t *testing.T) {
+	p, s := newContentPathSection("/post/new.md")
+	assert.Equal(t, filepath.FromSlash("/post/new.md"), p)
+	assert.Equal(t, "post", s)
+}