Update validators.pt.xlf to to Portuguese

Translating new validation (57 and 58) messages to Portuguese language
Updated spanish translations for validators

Added translations for credit card related messages
[Validator] Card validation - Dutch translations
Updated catalan translations for validators
[Validation] Improve Indonesian translation.

- Improve some translation's grammar.
- Added translation unit no. 49 - 56.
[Validator] Card validation - Italian translations
[Validator] added Hungarian translations for card validation
[Validator] Card validation - Norwegian translations
Added validation messages for  Afrikaans
merged branch tiagobrito/master (PR #6281)

This PR was merged into the master branch.

Commits
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c9e842c Update validators.pt.xlf to to Portuguese

Discussion
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[Validator] Card validation - Portuguese translations

Translating new validation (57 and 58) messages to Portuguese language

```xml
<trans-unit id="57">
                <source>Invalid card number.</source>
                <target>Número de cartão inválido.</target>
</trans-unit>
<trans-unit id="58">
                <source>Unsupported card type or invalid card number.</source>
                <target>Tipo de cartão não suportado ou número de cartão inválido.</target>
</trans-unit>
```
merged branch iambrosi/validation-translations-1 (PR #6282)

This PR was merged into the master branch.

Commits
-------

3a6372d Updated spanish translations for validators

Discussion
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Updated spanish translations for validators

Added translations for credit card related messages
merged branch stewe/translations-it (PR #6283)

This PR was merged into the master branch.

Commits
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b2ff4d8 [Validator] Card validation - Italian translations

Discussion
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[Validator] Card validation - Italian translations

Bug fix: no
Feature addition: yes
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: n/a
Todo: n/a
License of the code: MIT
Documentation PR: n/a
merged branch bobdenotter/master (PR #6284)

This PR was merged into the master branch.

Commits
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075c4cb [Validator] Card validation - Dutch translations

Discussion
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[Validator] Card validation - Dutch translations
merged branch jordillonch/master (PR #6286)

This PR was merged into the master branch.

Commits
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5cc4390 Updated catalan translations for validators

Discussion
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Updated catalan translations for validators
merged branch 1ed/patch-2 (PR #6288)

This PR was merged into the master branch.

Commits
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89181a8 [Validator] added Hungarian translations for card validation

Discussion
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[Validator] added Hungarian translations for card validation
merged branch bertzzie/validation-indo-translation (PR #6289)

This PR was merged into the master branch.

Commits
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08f2631 [Validation] Improve Indonesian translation.

Discussion
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[Validation] Improve Indonesian translation.

- Improve some translation's grammar.
- Added translation unit no. 49 - 56.
merged branch agarfors/master (PR #6290)

This PR was merged into the master branch.

Commits
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402cfde [Validator] Card validation - Norwegian translations

Discussion
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[Validator] Card validation - Norwegian translations

Noregian nynorsk translation
merged branch pierredup/validator_translations (PR #6291)

This PR was merged into the master branch.

Commits
-------

34df35d Added validation messages for  Afrikaans

Discussion
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[Validator] Validation messages - Afrikaans translatios