Renamed the `gateway` config parameter to `address`

There has been some confusion around the parameter naming between the Notification and the Feedback side of the module. The `gateway` parameter has been replaced with `address`. Backwards compatibility remains with the `gateway`  parameter which will take precedence if present.

doc/apn.markdown

@@ -41,7 +41,7 @@ Options:
 
  - `passphrase` {String} The passphrase for the connection key, if required
 
- - `gateway` {String `gateway.push.apple.com`} The gateway server to connect to.
+ - `address` {String `gateway.push.apple.com`} The gateway server to connect to.
 
  - `port` {Number} Gateway port (Defaults to: `2195`)
 
@@ -63,7 +63,7 @@ Options:
 
  - `legacy` {Boolean} Whether to use the pre-iOS 7 protocol format. (Defaults to `false`)
 
- **Important:** In a development environment you must set `gateway` to `gateway.sandbox.push.apple.com`.
+ **Important:** In a development environment you must set `address` to `gateway.sandbox.push.apple.com`.
 
 ## apn.Feedback([options])
 

lib/connection.js

@@ -31,7 +31,7 @@ if(process.env.DEBUG) {
  * @config {String} [pfx] File path for private key, certificate and CA certs in PFX or PKCS12 format. If supplied will be used instead of certificate and key above
  * @config {Buffer|String} [pfxData] PFX or PKCS12 format data containing the private key, certificate and CA certs. If supplied will be used instead of loading from disk.
  * @config {String} [passphrase] The passphrase for the connection key, if required
- * @config {String} [gateway="gateway.push.apple.com"] The gateway server to connect to.
+ * @config {String} [address="gateway.push.apple.com"] The gateway server to connect to.
  * @config {Number} [port=2195] Gateway port
  * @config {Boolean} [rejectUnauthorized=true] Reject Unauthorized property to be passed through to tls.connect()
  * @config {Boolean} [enhanced=true] Whether to use the enhanced notification format (recommended)
@@ -57,7 +57,7 @@ function Connection (options) {
 		pfx: null,
 		pfxData: null,
 		passphrase: null,
-		gateway: 'gateway.push.apple.com',
+		address: 'gateway.push.apple.com',
 		port: 2195,
 		rejectUnauthorized: true,
 		enhanced: true,
@@ -190,7 +190,7 @@ Connection.prototype.connect = function () {
 
 		this.socket = tls.connect(
 			this.options['port'],
-			this.options['gateway'],
+			this.options['gateway'] || this.options['address'],
 			socketOptions,
 			function () {
 				debug("Connection established");
@@ -212,10 +212,10 @@ Connection.prototype.connect = function () {
 		// The actual connection is delayed until after all the event listeners have
 		//  been attached.
 		if ("function" == typeof this.socket.connect ) {
-			this.socket.connect(this.options['port'], this.options['gateway']);
+			this.socket.connect(this.options['port'], this.options['gateway'] || this.options['address']);
 		}
 		else {
-			socketOptions.socket.connect(this.options['port'], this.options['gateway']);
+			socketOptions.socket.connect(this.options['port'], this.options['gateway'] || this.options['address']);
 		}
 	}.bind(this)).fail(function (error) {
 		debug("Module initialisation error:", error);