Add links to Russian and Korean translations
Update README.md
Merge pull request #265 from bartosz-maciaszek/patch-1

Added link to Polish translation
Adding PHPCI to the continuous integration section.
Merge pull request #266 from dancryer/patch-1

Adding PHPCI to the continuous integration section.
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages

Conflicts:
	_includes/welcome.md