[Validator] fixed StaticMethodLoader trying to invoke methods of abstract classes (closes #8589)
removed dead code and fixed CS
merged branch fabpot/validator-abstract-fix (PR #8592)

This PR was merged into the 2.2 branch.

Discussion
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[Validator] Fixed StaticMethodLoader does not try to invoke methods of abstract classes anymore

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8589
| License       | MIT
| Doc PR        |  n/a

Commits
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b41cf82 [Validator] fixed StaticMethodLoader trying to invoke methods of abstract classes (closes #8589)
merged branch fabpot/dead-code (PR #8572)

This PR was merged into the 2.2 branch.

Discussion
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removed dead code and fixed CS

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

Commits
-------

7d58147 removed dead code and fixed CS
[routing] added ability for apache matcher to handle array values
[Form] Removed the "disabled" attribute from the placeholder option in select fields due to problems with the BlackBerry 10 browser
Fix issue with \DateTimeZone::UTC / 'UTC' for PHP 5.4
merged branch bobdenotter/2.2 (PR #8643)

This PR was merged into the 2.2 branch.

Discussion
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[Form] Fix issue with \DateTimeZone::UTC / 'UTC' for PHP < 5.5

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

On PHP 5.4.x and 5.3.x, `setTimeZoneId()` requires the parameter to be a string, but the constant `\DateTimeZone::UTC` is (int) 1024.

See: http://www.php.net/manual/en/intldateformatter.settimezoneid.php

This caused an issue for us when using Date formfields, giving this error:

    "DateTimeZone::__construct(): Unknown or bad timezone (1024)"

Commits
-------

5c359a8 Fix issue with \DateTimeZone::UTC / 'UTC' for PHP 5.4
[Form] fixed wrong call to setTimeZone() (closes #8644)
merged branch jfsimon/issue-8567 (PR #8608)

This PR was merged into the 2.2 branch.

Discussion
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[Routing] add ability for apache matcher to handle array values

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8567

Commits
-------

c138304 [routing] added ability for apache matcher to handle array values
merged branch bschussek/issue8526 (PR #8622)

This PR was merged into the 2.2 branch.

Discussion
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[Form] Removed the "disabled" attribute from the placeholder option in select fields due to problems with the BlackBerry 10 browser

| Q             | A
| ------------- | ---
| Bug fix?      | yes (together with #8623)
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #7678 #8478 #8526
| License       | MIT
| Doc PR        | -

Commits
-------

97cbb19 [Form] Removed the "disabled" attribute from the placeholder option in select fields due to problems with the BlackBerry 10 browser
[HttpKernel] added a missing dep for dev
merged branch fabpot/httpkernel-deps (PR #8648)

This PR was merged into the 2.2 branch.

Discussion
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Added a missing dev dep for Httpkernel

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8613
| License       | MIT
| Doc PR        | -

Commits
-------

a741414 [HttpKernel] added a missing dep for dev