Fix wrong link in ja/users/index.html

https://github.com/groonga/groonga.github.com ->
https://github.com/groonga/groonga.org
                                   ^^^
% gem install inplace
% inplace "sed -e 's/groonga\.github\.com/groonga.org/g'" ja/users/index.html
Merge pull request #4 from myokoym/fix-wrong-link

Fix wrong link in ja/users/index.html

Patch by Masafumi Yokoyama. Thanks!!!
Fix wrong link

https://github.com/groonga/groonga.github.com ->
https://github.com/groonga/groonga.org
                                   ^^^
Merge pull request #5 from myokoym/fix-wrong-link-en

Fix wrong link in users/index.html

Patch by Masafumi Yokoyama. Thanks!!!
users ja: add feedcellar

Searchable storage for RSS feed reader.
http://myokoym.net/feedcellar/
Add decorated versions of the sticker
Add decorated versions to the list of stickers in English
Fix wrong path to decorated versions
blog: use site.posts limit:10 instead of paginator.posts

Because Jekyll's paginator is available only the top index.html... We
can't use pagiantor in blog/ and ja/blog/...
blog ja: add 3.0.5 release entry
blog en: add 3.0.5 release entry
doc: update documentation to 3.0.5
blog: publish 3.0.5 release entry
doc ja: translate sub_filter() and query()
blog ja: add topics which are cited from past release announcement
blog: add 3.0.6 release entry
blog: publish 3.0.6 release entry
doc: update documentation to 3.0.6
blog: update API documentation entry

Make it clear what to do, and what not to do.
See also [groonga-dev,01551]

Reported by @whombx. Thanks!!!
users: add Chocoka!!!