Update .jshintrc to add Jasmine globals, and use it with grunt jshint task

Author: gregjacobs

.jshintrc

@@ -1,4 +1,12 @@
 {
 	"undef": true,
-	"smarttabs": true
+	"smarttabs": true,
+	"eqnull": true,
+	"globals" : {
+		"describe" : true,
+		"beforeEach" : true,
+		"åfterEach" : true,
+		"it" : true,
+		"expect" : true
+	}
 }

Gruntfile.js

@@ -31,6 +31,9 @@ module.exports = function(grunt) {
 		},
 
 		jshint: {
+			options : {
+				jshintrc: true
+			},
 			files: {
 				src: [ 'src/**/*.js', 'tests/**/*.js' ]
 			}