Change data-land to lang attribute on question spans
store inputs in localstorage.
Merge branch 'ppoe-pages' into gh-pages

Conflicts:
	_includes/question.html
Move mini-site around and clean up
Replace plus-space encoding with percent encoding in mailto
Add Piwik tracking
Merge remote-tracking branch 'ppoe/gh-pages' into gh-pages
Remove debug alert
Merge branch 'feature-localstorage' into gh-pages
Fix typo, whitespace
Extract strings from main site
Remove hints that giving name is optional

Giving a name will increase the chance that the EC
takes the submission seriously