Use tabs instead of spaces

Signed-off-by: Julius Härtl <jus@bitgrid.net>

js/controller/ColorPickerController.js

@@ -31,12 +31,12 @@ app.controller('ColorPickerController', ['$scope', function($scope) {
 		object.hashedColor = '#' + color;
 
 		return object;
-    }
+	};
 
 	$scope.setHashedColor = function (object) {
 		object.color = object.hashedColor.substr(1);
 		return object;
-    }
+	};
 
 	$scope.getCustomBackground = function (color) {
 		return {'background-color': color};