Update gulp demo

Use latest stable release of JSROOT

Author: linev

demo/gulp/bower.json

@@ -1,16 +1,10 @@
 {
   "name": "gulp-jsroot-example",
-  "author": [
-    "Sergey Linev"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/root-project/jsrootr.git"
-  },
+  "author": "Sergey Linev",
   "description": "Example of building lib.js with gulp for JavaScript ROOT",
   "main": "example.htm",
   "dependencies": {
-    "jsroot": "https://github.com/root-project/jsroot.git#dev"
+    "jsroot": "^5.2.0"
   },
   "overrides": {
      "MathJax": {

demo/gulp/readme.md

@@ -1,50 +1,48 @@
 # Packaging of JSROOT code with gulp
 
-This example shows how all JSROOT sources can be 
-merged togther with all dependend libraries. 
+This example shows how all JSROOT sources can be
+merged togther with all dependend libraries.
 This uses bower, Node.js and gulp.
 Following steps are required:
 
 
 ## Correctly provide JSROOT location in bower.json file
 
-In the example dev version is used. 
-One also can specify stable release after "5.2.0" like:
+In the example 5.2.0 version of JSROOT is used.
 
     "dependencies": { "jsroot": "^5.2.0" }
-    
+
 For experimental purposes one can configure local checkout of jsroot
 
     "dependencies": { "jsroot": "file:///home/user/git/jsroot/.git#dev" }
 
-    
-## Install jsroot package with bower
 
-    [shell] bower install jsroot
+## Install packages with bower
+
+    [shell] bower install
 
 
-## Install gulp and all dependend packages
- 
- All required packages contained in package.json file 
+## Install gulp
 
     [shell] npm install
 
+All used sub-packages listed in package.json file
 
-## Create library with gulp
 
- Source code of gulp script one can find in gulpfile.js
+## Create library with gulp
 
     [shell] node node_modules/gulp/bin/gulp.js
-    
-Script should produce "build/js/lib.js" and "build/css/lib.css"     
+
+Source code of gulp script one can find in gulpfile.js
+Script should produce "build/js/lib.js" and "build/css/lib.css"
 
 
 ## Open example web page
 
-One can browser directly from the file system <file:///home/user/git/jsroot/demo/gulp/exampole.htm>
+One can browser directly from the file system <file:///home/user/git/jsroot/demo/gulp/example.htm>
 
 
 ## Known issues
 
-MathJax.js is not always working - LaTeX can be browken. 
-It is not fully clear how to load MathJax with such scheme.  
+MathJax.js excluded from common library.
+It will be loaded only when required from default location.