Fixed feedback error handling.

Only emit `error` in the event of an unrecoverable error (Being unable to load certificates/keys from disk) In other instances emit `feedbackError`

lib/feedback.js

@@ -77,7 +77,7 @@ function Feedback(options) {
 	if (typeof this.options.feedback == 'function') {
 		this.on('feedback', this.options.feedback);
 	}
-	
+
 	process.nextTick(function() {
 		if(this.listeners('feedback').length === 0) {
 			debug("WARNING: A `feedback` listener has not been specified. Data may be lost.");
@@ -199,6 +199,7 @@ Feedback.prototype.connect = function () {
 		this.socket.once('close', this.resetConnection.bind(this));
 	}.bind(this)).fail(function (error) {
 		debug("Module initialisation error:", error);
+		this.emit('error', error);
 		this.deferredConnection.reject(error);
 		this.deferredConnection = null;
 	}.bind(this));
@@ -246,7 +247,7 @@ Feedback.prototype.receive = function (data) {
 Feedback.prototype.destroyConnection = function (err) {
 	debug("Destroying connection");
 	if(err) {
-		this.emit('error', err);
+		this.emit('feedbackError', err);
 	}
 	if (this.socket) {
 		this.socket.destroySoon();
@@ -293,7 +294,7 @@ Feedback.prototype.start = function () {
 Feedback.prototype.request = function () {
 	debug("Performing feedback request");
 	this.connect().fail(function (error) {
-		this.emit('error', error);
+		this.emit('feedbackError');
 	}.bind(this));
 };