filter files before minify, removed unused ctime

minifier.js

@@ -15,6 +15,10 @@ var uglifyjs = require('uglify-js'),
 Minifier.js.minify = function (scripts, minify, callback) {
 	var options = {};
 
+	scripts = scripts.filter(function(file) {
+		return fs.existsSync(file);
+	});
+
 	if (!minify) {
 		options.sourceMapURL = '/nodebb.min.js.map';
 		options.outSourceMap = 'nodebb.min.js.map';
@@ -32,7 +36,9 @@ Minifier.js.minify = function (scripts, minify, callback) {
 	} catch(err) {
 		process.send({
 			action: 'error',
-			error: err
+			error: {
+				message: err.message
+			}
 		});
 	}
 };

src/meta.js

@@ -281,8 +281,7 @@ var fs = require('fs'),
 		},
 		prepare: function (callback) {
 			plugins.fireHook('filter:scripts.get', this.scripts, function(err, scripts) {
-				var ctime,
-					jsPaths = scripts.map(function (jsPath) {
+				var jsPaths = scripts.map(function (jsPath) {
 					jsPath = path.normalize(jsPath);
 
 					if (jsPath.substring(0, 7) === 'plugins') {
@@ -332,8 +331,7 @@ var fs = require('fs'),
 
 					emitter.emit('meta:js.compiled');
 				} else {
-					winston.error('[meta/js] Could not compile client-side scripts!');
-					winston.error('[meta/js]   ' + payload.error.message);
+					winston.error('[meta/js] Could not compile client-side scripts! ' + payload.error.message);
 					minifier.kill();
 					process.exit();
 				}