Merge branch 'fgnass-master'

Author: Wilto

.jshintrc

@@ -11,5 +11,6 @@
 	"boss": true,
 	"eqnull": true,
 	"node": true,
+	"browser": true,
 	"predef": [ "define", "module" ]
 }

package.json

@@ -4,6 +4,7 @@
 	"engines": {
 		"node": ">= 0.8.0"
 	},
+	"main": "./dist/picturefill",
 	"scripts": {
 		"test": "grunt test --verbose"
 	},

src/picturefill.js

@@ -607,4 +607,4 @@
 		w.picturefill = picturefill;
 	}
 
-} )( this, this.document, new this.Image() );
+} )( this, this.document, new this.Image() );