switch to go vendoring

vendor/github.com/bmizerany/pat/README.md

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+# pat (formerly pat.go) - A Sinatra style pattern muxer for Go's net/http library
+
+[![GoDoc](https://godoc.org/github.com/bmizerany/pat?status.svg)](https://godoc.org/github.com/bmizerany/pat) 
+
+## INSTALL
+
+	$ go get github.com/bmizerany/pat
+
+## USE
+
+```go
+package main
+
+import (
+	"io"
+	"net/http"
+	"github.com/bmizerany/pat"
+	"log"
+)
+
+// hello world, the web server
+func HelloServer(w http.ResponseWriter, req *http.Request) {
+	io.WriteString(w, "hello, "+req.URL.Query().Get(":name")+"!\n")
+}
+
+func main() {
+	m := pat.New()
+	m.Get("/hello/:name", http.HandlerFunc(HelloServer))
+
+	// Register this pat with the default serve mux so that other packages
+	// may also be exported. (i.e. /debug/pprof/*)
+	http.Handle("/", m)
+	err := http.ListenAndServe(":12345", nil)
+	if err != nil {
+		log.Fatal("ListenAndServe: ", err)
+	}
+}
+```
+
+It's that simple.
+
+For more information, see:
+http://godoc.org/github.com/bmizerany/pat
+
+## CONTRIBUTORS
+
+* Alexis Svinartchouk (@zvin)
+* Blake Mizerany (@bmizerany)
+* Brian Ketelsen (@bketelsen)
+* Bryan Matsuo (@bmatsuo)
+* Caleb Spare (@cespare)
+* Evan Shaw (@edsrzf)
+* Gary Burd (@garyburd)
+* George Rogers (@georgerogers42)
+* Keith Rarick (@kr)
+* Matt Williams (@mattyw)
+* Mike Stipicevic (@wickedchicken)
+* Nick Saika (@nesv)
+* Timothy Cyrus (@tcyrus)
+* binqin (@binku87)
+
+## LICENSE
+
+Copyright (C) 2012 by Keith Rarick, Blake Mizerany
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.