Update installation steps

Author: evenfrost

README.md

@@ -2,6 +2,17 @@
 
 Query a set of HTML elements and perform bulk manipulations with it.
 
+### Installation and Usage
+Run
+```sh
+npm install bulker
+```
+and then use in code:
+```javascript
+import bulker from 'bulker';
+// bulker() is ready
+```
+
 ### Example
 Pass any number of arguments to `bulker`. Any combination of `NodeList`, `HTMLElement` or a selector string is acceptable (including deeply nested arrays), other entities will be ignored.
 ```html
@@ -38,19 +49,6 @@ bulker('span').set('textContent', 'xyz').get('textContent');
 // the sample above sets text of <span>s to 'xyz'and returns ['xyz', 'xyz', 'xyz'] as result
 ```
 
-### Installation and usage
-bulker currently can be installed via [jspm](http://jspm.io/) only.
-
-Run
-```sh
-jspm install bulker=github:evenfrost/bulker
-```
-and then use in code:
-```javascript
-import bulker from 'bulker';
-// bulker() is ready
-```
-
 ### Methods
 All methods are run on the html sample from [Example](#example) section.
 

package.json

@@ -11,9 +11,10 @@
   },
   "scripts": {
     "clean": "rimraf build",
-    "dev": "npm run clean && babel source --out-dir build -s true && uglifyjs --in-source-map build/bulker.js.map --screw-ie8 -o build/bulker.js --source-map build/bulker.js.map build/bulker.js",
+    "dev": "babel source --out-dir build -s true && uglifyjs --in-source-map build/bulker.js.map --screw-ie8 -o build/bulker.js --source-map build/bulker.js.map build/bulker.js",
     "babel": "babel source --out-dir build",
     "uglify": "uglifyjs -o build/bulker.js build/bulker.js --screw-ie8",
+    "watch": "watch 'npm run dev' source",
     "build": "npm run clean && npm run babel && npm run uglify",
     "prepublish": "npm run build"
   },
@@ -23,6 +24,7 @@
     "babel-preset-es2015": "^6.6.0",
     "babel-preset-stage-1": "^6.5.0",
     "rimraf": "^2.5.2",
-    "uglify-js": "^2.6.2"
+    "uglify-js": "^2.6.2",
+    "watch": "^0.17.1"
   }
 }