vendor dependencies with dep

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+FreePort
+========
+
+Get a free open TCP port that is ready to use.
+
+## Command Line Example:
+```bash
+# Ask the kernel to give us an open port.
+export port=$(freeport)
+
+# Start standalone httpd server for testing
+httpd -X -c "Listen $port" &
+
+# Curl local server on the selected port
+curl localhost:$port
+```
+
+## Golang example:
+```go
+package main
+
+import "github.com/phayes/freeport"
+
+func main() {
+	port, err := freeport.GetFreePort()
+	if err != nil {
+		log.Fatal(err)
+	}
+	// port is ready to listen on
+}
+
+```
+
+## Installation
+
+#### CentOS and other RPM based systems
+```bash
+wget https://github.com/phayes/freeport/releases/download/0.1.2/freeport_0.1.2_linux_386.rpm
+rpm -Uvh freeport_0.1.2_linux_386.rpm
+```
+
+#### Ubuntu and other DEB based systems
+```bash
+wget wget https://github.com/phayes/freeport/releases/download/0.1.2/freeport_0.1.2_linux_amd64.deb
+dpkg -i freeport_0.1.2_linux_amd64.deb
+```
+
+## Building From Source
+```bash
+sudo apt-get install golang                    # Download go. Alternativly build from source: https://golang.org/doc/install/source
+mkdir ~/.gopath && export GOPATH=~/.gopath     # Replace with desired GOPATH
+export PATH=$PATH:$GOPATH/bin                  # For convenience, add go's bin dir to your PATH
+go get github.com/phayes/freeport/cmd/freeport
+```