Fix /dev/null filename on html generation

Author: rtfpessoa

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "diff2html",
-  "version": "2.0.0-beta7",
+  "version": "2.0.0-beta9",
   "homepage": "http://rtfpessoa.github.io/diff2html/",
   "description": "Fast Diff to colorized HTML",
   "keywords": [

dist/diff2html.js

@@ -1,6 +1,6 @@
 {
   "name": "diff2html",
-  "version": "2.0.0-beta7",
+  "version": "2.0.0-beta9",
   "homepage": "http://rtfpessoa.github.io/diff2html/",
   "description": "Fast Diff to colorized HTML",
   "keywords": [
@@ -34,7 +34,7 @@
   "engines": {
     "node": ">=0.10"
   },
-  "preferGlobal": "true",
+  "preferGlobal": true,
   "scripts": {
     "release": "bash release.sh",
     "test": "mocha",
@@ -43,18 +43,18 @@
   },
   "main": "./src/diff2html.js",
   "dependencies": {
-    "diff": "^2.2.1",
-    "nunjucks": "^2.3.0"
+    "diff": "^2.2.2",
+    "nunjucks": "^2.4.1"
   },
   "devDependencies": {
-    "clean-css": "^3.4.9",
+    "clean-css": "^3.4.10",
     "codacy-coverage": "^1.1.3",
     "fast-html-parser": "^1.0.1",
     "istanbul": "^0.4.2",
-    "jscs": "^2.10.1",
+    "jscs": "^2.11.0",
     "mocha": "^2.4.5",
     "uglifyjs": "^2.4.10",
-    "webpack": "^1.12.13"
+    "webpack": "^1.12.14"
   },
   "license": "MIT",
   "files": [

dist/diff2html.min.js

@@ -39,9 +39,10 @@
     var oldFilename = file.oldName;
     var newFilename = file.newName;
 
-    if (oldFilename && newFilename && oldFilename !== newFilename && !isDeletedName(newFilename)) {
+    if (oldFilename && newFilename && oldFilename !== newFilename
+      && !isDevNullName(oldFilename) && !isDevNullName(newFilename)) {
       return oldFilename + ' -> ' + newFilename;
-    } else if (newFilename && !isDeletedName(newFilename)) {
+    } else if (newFilename && !isDevNullName(newFilename)) {
       return newFilename;
     } else if (oldFilename) {
       return oldFilename;
@@ -132,8 +133,8 @@
     };
   };
 
-  function isDeletedName(name) {
-    return name === 'dev/null';
+  function isDevNullName(name) {
+    return name.indexOf('dev/null') !== -1;
   }
 
   function removeIns(line) {