Close #204. Add Trello dependency to /vendor

vendor/google.golang.org/api/CONTRIBUTORS

@@ -48,6 +48,7 @@ Kunpei Sakai <namusyaka@gmail.com>
 Matthew Whisenhunt <matt.whisenhunt@gmail.com>
 Michael McGreevy <mcgreevy@golang.org>
 Nick Craig-Wood <nickcw@gmail.com>
+Robbie Trencheny <me@robbiet.us>
 Ross Light <light@google.com>
 Sarah Adams <shadams@google.com>
 Scott Van Woudenberg <scottvw@google.com>

vendor/google.golang.org/api/googleapi/googleapi.go

@@ -270,11 +270,20 @@ func ProcessMediaOptions(opts []MediaOption) *MediaOptions {
 
 func ResolveRelative(basestr, relstr string) string {
 	u, _ := url.Parse(basestr)
+	afterColonPath := ""
+	if i := strings.IndexRune(relstr, ':'); i > 0 {
+		afterColonPath = relstr[i+1:]
+		relstr = relstr[:i]
+	}
 	rel, _ := url.Parse(relstr)
 	u = u.ResolveReference(rel)
 	us := u.String()
+	if afterColonPath != "" {
+		us = fmt.Sprintf("%s:%s", us, afterColonPath)
+	}
 	us = strings.Replace(us, "%7B", "{", -1)
 	us = strings.Replace(us, "%7D", "}", -1)
+	us = strings.Replace(us, "%2A", "*", -1)
 	return us
 }