Minor navigation changes

Hi ALL,

We've made some minor changes to navigation to try to make it easier and more organized. The first menu on the left (with your username) is now simplified (management tasks, basically) and there's a new menu called "Content" for easy access to creating and accessing content. The link to the forums has been taken from the top menu (home, library, etc.) and included here. We've also added a direct link to "The book of Frequently Asked Questions" ("faqs") in the top menu. We hope you find these changes helpful and appreciate any feedback you might want to give us.

Have fun :-)