[Finder] added Finder::ignoreUnreadableDirs() method
Added html method into Crawler class

* This method allow to get html inside desired element
* New method is tested
added missing license blocks
Merge branch '2.1' into 2.2

* 2.1:
  added missing license blocks
added missing license blocks
Merge branch '2.2'

* 2.2:
  added missing license blocks
  added missing license blocks
added missing license blocks
Method each return an instance of Crawler instead DOMElement
merged branch fabpot/moved_domcrawler_9 (PR #7751)

This PR was squashed before being merged into the master branch (closes #7751).

Discussion
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Method each return an instance of Crawler instead DOMElement

This PR was submitted on the symfony/DomCrawler read-only repository and moved automatically to the main Symfony repository (closes symfony/DomCrawler#9).

Method each return an instance of Crawler instead DOMElement

Commits
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14eed63 Method each return an instance of Crawler instead DOMElement
[DomCrawler] changed Crawler::reduce() to iterate over Crawler instance instead of DomElement instances
merged branch fabpot/moved_domcrawler_11 (PR #7750)

This PR was merged into the master branch.

Discussion
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Added html method into Crawler class

This PR was submitted on the symfony/DomCrawler read-only repository and moved automatically to the main Symfony repository (closes symfony/DomCrawler#11).

A pull request is waiting for aproval, but is not tested

* This method allow to get html inside desired element
* New method is tested

Commits
-------

a8d2e06 Added html method into Crawler class
[DomCrawler] finished the previous merge feature addition
[Validator] added Japanese translation for ISSN message
merged branch 77web/validator-translation-ja-issn (PR #7783)

This PR was merged into the master branch.

Discussion
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[Validator] added Japanese translation for ISSN message

| Q             | A
| ------------- | ---
| Fixed tickets | N/A
| License       | MIT

Commits
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95030ec [Validator] added Japanese translation for ISSN message
enhance upload error messages
[Validator] added french trans for ISSN message
Added some basque translations
[Validator] Added Portuguese translations for IBAN and ISBN messages.
add new validation messages for catalan
merged branch ricoli/patch-1 (PR #7793)

This PR was merged into the master branch.

Discussion
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[Validator] Added Portuguese translations for IBAN and ISBN messages.

Commits
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ea08a4e [Validator] Added Portuguese translations for IBAN and ISBN messages.