fix for bug 702758 - Add WAI-ARIA role
fix bug 843068
Fix bug 856124: Use Django's X-Frame-Options middleware.
Homepage JS optimization
Merge pull request #1017 from ubernostrum/x-frame-options-856124

Fix bug 856124: Use Django's X-Frame-Options middleware.
Merge pull request #1019 from hardfire/dev

fix for bug 702758 - Add WAI-ARIA role
Merge pull request #1021 from darkwing/homepage-js

Homepage JS optimization
Add alt to avatar
Merge pull request #1022 from darkwing/gravatar-alt

Add alt to avatar
fix bug 843068
Use correct input type for search
Merge pull request #1024 from darkwing/search-box

Use correct input type for search
Merge pull request #1016 from tx2z/bug843068

fix bug 843068 - When signing up, some users enter their email address in the "Username" field
fix bug 862003 - Implement Prism syntax highlighter
Merge pull request #1025 from darkwing/syntax-862003-waffle

fix bug 862003 - Implement Prism syntax highlighter
fix bug 863611 - Properly style special PREs
Allow default width for search
Merge pull request #1028 from darkwing/search-width

Allow default width for search
Merge pull request #1027 from darkwing/syntax-special-case

fix bug 863611 - Properly style special PREs
fix bug 863619 - Display CSS comments in prism