Fix bug 981397 - handle unicode query parameter content correctly.
Fix Bug 981395 - Update "Help improve MDN" links on front page
Merge pull request #2122 from tregagnon/bug-981395

Fix Bug 981395 - Update "Help improve MDN" links on front page
Merge pull request #2121 from jezdez/search-unicode-param

Fix bug 981397 - handle unicode query parameter content correctly.