fix: instantSearch => instantsearch

cc @redox
fixes #7

Author: vvo

README.md

@@ -7,12 +7,12 @@ API is unstable. We welcome any idea.
 ## Usage
 
 ```js
-var instantSearch = require('instantsearch.js');
-var instant = new instantSearch.InstantSearch(appId, apiKey, indexName);
+var instantsearch = require('instantsearch.js');
+var instant = new instantsearch.InstantSearch(appId, apiKey, indexName);
 
 // add a widget
 instant.addWidget(
-  instantSearch.widgets.searchBox({
+  instantsearch.widgets.searchBox({
     container: '#search-box',
     placeholder: 'Search for libraries in France...'
   })

example/app.js

@@ -1,6 +1,6 @@
 var instantsearch = require('../');
 
-var instant = new instantsearch.instantsearch(
+var instant = new instantsearch.InstantSearch(
   'JTH1JDTDFT',
   '34a4c1b994546fbec45a670a06ba0c33',
   'Bibliotheques'

webpack.config.js

@@ -3,7 +3,7 @@ module.exports = {
   output: {
     path: './dist/',
     filename: 'instantsearch.js',
-    library: 'instantSearch',
+    library: 'instantsearch',
     libraryTarget: 'umd'
   },
   module: {