Translate CDN post (fr)
Translate Fastly CDN news (id)
Merge pull request #300 from gozali/id-fastly

Translate Fastly CDN news (id)
adds translation for fastly-cdn of zh_cn
Merge pull request #299 from ruby/fr-fastly

Translate CDN post (fr)
Translate latest news (pl)
Sync Downloads page content (pl)
Adapt mailing list instructions to new software (ja)
Merge pull request #301 from myokoym/adapt-mailing-list-instructions-ja

Adapt mailing list instructions to new software (ja)
Translate We Use Fastly CDN [vi]
Merge pull request #302 from joneslee85/trans-9

Translate We Use Fastly CDN [vi]
Adding a note about Ruby on Ales to the community conference page.
Merge pull request #303 from amerine/roa

Adding a note about Ruby on Ales to the community conference page.
update jekyll-1.2.0
upgrade jekyll-1.2.1
added dependency kramdown
announce to release 2.1.0-preview1
Merge pull request #304 from ruby/2.1.0-preview1

Announce to release 2.1.0-preview1
pre block of package infomation is wrong indent and more links
CDN information move to above section