fixed symfony deps
License year range updated
updated PHPUnit configuration (added XSD, removed defaults, proper formatting)
minor #678 update PHPUnit configuration (add XSD, remove defaults, proper formatting) (craue)

This PR was merged into the 2.3 branch.

Discussion
----------

update PHPUnit configuration (add XSD, remove defaults, proper formatting)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | --
| License       | MIT
| Doc PR        | --

See symfony/symfony#11344.

Commits
-------

324692e updated PHPUnit configuration (added XSD, removed defaults, proper formatting)
Merge branch '2.3' into 2.4

* 2.3:
  updated PHPUnit configuration (added XSD, removed defaults, proper formatting)
Merge branch '2.4' into 2.5

* 2.4:
  updated PHPUnit configuration (added XSD, removed defaults, proper formatting)
  fixed symfony deps

Conflicts:
	composer.json
minor #668 License year range updated (peterkokot)

This PR was merged into the 2.3 branch.

Discussion
----------

License year range updated

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | none
| License       | MIT
| Doc PR        | none

Commits
-------

c123286 License year range updated
Merge branch '2.3' into 2.4

* 2.3:
  License year range updated
Merge branch '2.4' into 2.5

* 2.4:
  License year range updated
updated VENDORS for 2.5.1
removed Travis configuration
Merge branch '2.3' into 2.4

* 2.3:
  removed Travis configuration
Merge branch '2.4' into 2.5

* 2.4:
  removed Travis configuration

Conflicts:
	.travis.yml
make config_dev.yml a valid YML file

`%..%` must be wrapped by quotes, or YML file is not valid!
bug #687 make config_dev.yml a valid YML file (jdespatis)

This PR was submitted for the master branch but it was merged into the 2.5 branch instead (closes #687).

Discussion
----------

make config_dev.yml a valid YML file

`%..%` must be wrapped by quotes, or YML file is not valid!

Commits
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848b095 make config_dev.yml a valid YML file
updated VENDORS for 2.5.3
Add a HiDPI favicon.
Add RewriteRule
Fixed version in links
minor #703 Fixed version in links (zomberg)

This PR was merged into the 2.5 branch.

Discussion
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Fixed version in links

Commits
-------

00c780a Fixed version in links