Fixed Bug 1083925

Fixed Bug 1083925
Fix blank page on webmaker.org
 Bug 1083925 - Ship revised Mentor page to teach.webmaker.org
Merge pull request #1022 from gesa/1083925/mentor-update

Bug 1083925 - Ship revised Mentor page
1.1.84
Fixes Bug 1108810 - Implement footer for new IA
Fixes Bug 1108814 - Implement "About" page for new IA
Fixes Bug 1108822 - Implement "Tools" page for new IA
Bug 1108811 - Implement header for new IA
Fixes Bug 1108819 - Implement Explore page for new IA
 Bug 1104272 - Build revised IA