Translation in spanish and corrections
Update README.md
Review last commit
Correction file name
Use latest ES version for fix tests
Update caching-fragment.md
Remove "sudo: false" from .travis.yml
Merge pull request #5660 from aivus/patch-1

Use latest ES version for fix tests
Merge pull request #5654 from markmarco16/master

[ci skip] Translation in spanish and corrections
Fixes #5665: The `currentPage` meta data in the RESTful result should be 1-based, similar to that in HTTP headers
Fix faker test. Add `ё` to regexp
Merge pull request #5669 from aivus/patch-1

Fix faker test. Add `ё` to regexp
Fixes #5266
apidoc: make the guide PDF renderer work again
Merge branch 'master' of git://github.com/yiisoft/yii2 into feature-model-hasErrors-support-array
Fixed PHPDoc