Added a debug toolbar panel for MongoDB
merge with upstream
Dynamic naming added to `DbPanel`
`MongoDbPanel` addition mentioned at CHANGELOG.md and README.md
`DbPanel` summary view fixed
Create russian translation for caching-fragment.md
Create Russian translation of Caching Http Guide
spanish translate responses and some fixes
update spanish docs readme
Italian translation of intro-upgrade-from-v1.md
Italian translation of start-installation.md
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
Merge pull request #5506 from maxxer/docs_italian_translation

[skip ci] Italian translation of intro-upgrade-from-v1.md
Merge pull request #5505 from larnu/master

spanish translate responses and some fixes [skip ci]
Merge pull request #5502 from Ximich/guide-ru-caching--http

[ci skip] Create Russian translation of Caching Http Guide
Merge pull request #5499 from Ximich/guide-ru-caching-fragment

Create russian translation for caching-fragment.md
(typo) code missing bracket
Grammar fix [skip ci]
pt-BR working with databases guide