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
Merge pull request #1023 from gesa/1108810/ia-footer

Bug 1108810 - Implement footer for new IA
Merge pull request #1025 from gesa/1108811/header

Bug 1108811 - Implement header for new IA
Merge pull request #1028 from gesa/1108814/about-explore

Bug 1108814 - Implement "About" page for new IA
Merge pull request #1029 from gesa/1108822/tools

Bug 1108822 - Implement "Tools" page for new IA
Fixes Bug 1108819 - Implement Explore page for new IA