Fixed deprecated method calls
minor #9353 [2.3] Removed deprecated calls (WouterJ)

This PR was merged into the 2.3 branch.

Discussion
----------

[2.3] Removed deprecated calls

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

Commits
-------

a6562b3 Fixed deprecated method calls
Merge branch '2.3' into 2.4

* 2.3:
  fixed typos
  Fixed deprecated method calls
  Add testing against HHVM at Travis-CI
  Fixed typo
  Fixed typo
  fixed acronyms
  [Validator] Fixed IBAN validator with 0750447346 value

Conflicts:
	src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php