tweaked sample description annotation

 /*
-Create a mosaic image from all headline photos on BBC homepage
-*/
+ * Create a mosaic image from all headline photos on BBC homepage
+ */
 
 var buildPage, casper, currentLink, images, nbLinks, next;
 

 /*
-This script will add a custom HTTP status code handler, here for 404 pages.
-*/
+ * This script will add a custom HTTP status code handler, here for 404 pages.
+ */
 
 var casper, links;
 

 /*
-Capture multiple pages of google search results
-
-Usage: $ casperjs googlepagination.coffee my search terms
-
-(all arguments will be used as the query)
-*/
+ * Capture multiple pages of google search results
+ *
+ * Usage: $ casperjs googlepagination.coffee my search terms
+ *
+ * (all arguments will be used as the query)
+ */
 
 var casper, currentPage, processPage;
 

-var casper;
-
-casper = require("casper").create({
+var casper = require("casper").create({
     logLevel: "debug"
 });
 

 /*
-This script will capture a screenshot of a twitter account page
-Usage: $ casperjs screenshot.coffee <twitter-account> <filename.[jpg|png|pdf]>
-*/
+ * This script will capture a screenshot of a twitter account page
+ * Usage: $ casperjs screenshot.coffee <twitter-account> <filename.[jpg|png|pdf]>
+ */
 
 var casper, filename, twitterAccount;
 

 /*
-This script will add a custom HTTP status code handler, here for 404 pages.
-*/
+ * This script will add a custom HTTP status code handler, here for 404 pages.
+ */
 
-var casper;
-
-casper = require("casper").create({
+var casper = require("casper").create({
     httpStatusHandlers: {
         404: function(self, resource) {
             this.echo("Resource at " + resource.url + " not found (404)", "COMMENT");