pdate and add new content to the manual Sugar Manual (link)

Update the Sugar Manual to reflect recent Sugar builds (0.98). User should be able to:

1. Evaluate the content
2. Load SugarOS on a Virtual Machine or scanned the internet for recent version screenshots 
3. Enhance the wording of the tasts, the new activities and update some of the screenshots of the manual.

For more information review the link of the manual and comment.