[Translation] Added some tests to QtFileLoader.

Added one test for testing exception is thrown if resource is not local.
Added one test for testing exception is thrown if xml resource is invalid.
Fixed coding standards issues.
Fixed coding standards issues in invalid-xml-resources.xlf file.
[Security] Added Danish translation
merged branch toin0u/SecurityTranslation (PR #6761)

This PR was merged into the master branch.

Commits
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68ac23f [Security] Added Danish translation

Discussion
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[Security] Added Danish translation

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Deprecations: no
Symfony2 tests pass: yes
Fixes the following tickets: -
Todo: -
License of the code: MIT
Documentation PR: -
merged branch vicentgodella/master (PR #6755)

This PR was merged into the master branch.

Commits
-------

1c5d74c Fixed coding standards issues in invalid-xml-resources.xlf file.
552a806 Fixed coding standards issues.
293991d [Translation] Added some tests to QtFileLoader.

Discussion
----------

[Translation] Added some tests to QtFileLoader.

Added one test for testing exception is thrown if resource is not local.
Added one test for testing exception is thrown if xml resource is invalid.

QtFileLoader has now 100% code coverage.

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
License of the code: MIT