add translation for editor desciption
Fix bugs in selectors.json
Add automatic language file generator

To generate a new language file, run:
npm run language <language code>
Merge pull request #106 from watson/lang2

Add automatic language file generator
Update README.md
Translate to pt-br.
add Taiwan to chapter page
Add translation for European Portuguese.

Still needs proofreading, work in progress.
Merge pull request #108 from gtramontina/pt-br

Translate to pt-br.
.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	package.json
Make the language generator script executable

Some exotic installations don't have a 'node' executable
Extract cheerio eq finder to its own module
Translate 40%
Fix Japanese translation of index.html
Fix Japanese translation of events.html, chapters.html
Fixed Japanese translation of about.html
Fix Japanese translation of building-workshops.html
Fix Japanese translation of host.html
Revision.