Update dont-touch-dom.html.md so it reads better
Add twitter follow/tweet widgets on footer
Merge remote-tracking branch 'zeno/master'
Change 'text' to 'content' to keep the pattern
Add translation to pt-br for #209
Remove Twitter widget not accepted on PR
Update spanish translation

I maintained the References link, should I remove it?
French translation for PR #209
Sample code for reverse iteration

https://github.com/zenorocha/browser-diet/issues/217
Remove SuperSanta
Merge branch 'pr-176'

Conflicts:
	src/documents/js/en/dont-touch-dom.html.md
#176 source formatting
#176 Updating dom manipulation informations for more languages
Source formatting #218
#218 adding examples for more langs
Merge branch 'pull-request-218'
Merge pull request #227 from todvora/master

Czech translation corrections
Adicionando uma nova dica - keep-alive
Update keep-alive.html.md
Merge pull request #229 from cleberdantas/master

Adicionando uma nova dica - keep-alive