Create russian translation for caching-fragment.md
Create Russian translation of Caching Http Guide
2.0.0 release.
add note about tips/notes/warnings
edit intro and configuration
edit 'executing basic queries'
spanish translate responses and some fixes
update spanish docs readme
Italian translation of intro-upgrade-from-v1.md
prepare for next release.
Italian translation of start-installation.md
Fixes #5509.
Updated README [skip ci]
edit 'quoting table...'
edit 'prepared statements'
edit up to 'performing transactions'
Merge branch 'master' of https://github.com/yiisoft/yii2
guess the note blockquote will be live
started Japanese translation of the documentation
Merge pull request #5511 from softark/docs-ja-2014-10-13

[skip ci] started Japanese translation of the documentation