vendor dependencies with dep

vendor/github.com/vanng822/go-premailer/premailer/premailer_from_file.go

@@ -0,0 +1,24 @@
+package premailer
+
+import (
+	"github.com/PuerkitoBio/goquery"
+	"os"
+)
+
+// NewPremailerFromFile take an filename
+// Read the content of this file
+// and create a goquery.Document
+// and then create and Premailer instance.
+// It will panic if any error happens
+func NewPremailerFromFile(filename string, options *Options) Premailer {
+	fd, err := os.Open(filename)
+	if err != nil {
+		panic(err)
+	}
+	defer fd.Close()
+	d, err := goquery.NewDocumentFromReader(fd)
+	if err != nil {
+		panic(err)
+	}
+	return NewPremailer(d, options)
+}