Added feature freeze dates for Symfony versions
minor #4259 Added feature freeze dates for Symfony versions (javiereguiluz)

This PR was merged into the 2.3 branch.

Discussion
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Added feature freeze dates for Symfony versions

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes
| Applies to    | all
| Fixed tickets | -

As requested by @webmozart [via Twitter](https://twitter.com/webmozart/status/514365470922014720).

Commits
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d157a14 Added feature freeze dates for Symfony versions
Fixed typo
minor #4263 Fixed typo (zebba)

This PR was submitted for the 2.5 branch but it was merged into the 2.3 branch instead (closes #4263).

Discussion
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Fixed typo

Commits
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23fdef3 Fixed typo
Fix error in code
bug #4267 Fix error in bundle installation standard example (WouterJ)

This PR was merged into the 2.3 branch.

Discussion
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Fix error in bundle installation standard example

I also included the class name, to make it more clear.

| Q   | A
| --- | ---
| Doc fix? | yes
| New docs? | no
| Applies to | all
| Fixed tickets | -

Commits
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bd7da67 Fix error in code
Created August CHANGELOG
Created August CHANGELOG
Created August CHANGELOG
Insert a missing word

This phrase part was missing the «it» word as a subject.

New lines were reorganized a bit in order to respect the 80 character
wrap length.
minor #4278 Missing word in DependencyInjection => Types of Injection (fabschurt)

This PR was merged into the 2.3 branch.

Discussion
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Missing word in DependencyInjection => Types of Injection

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3+
| Fixed tickets | n/a

Commits
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2377280 Insert a missing word
Merge branch '2.3' into 2.4

Conflicts:
	changelog.rst
Merge branch '2.4' into 2.5

Conflicts:
	changelog.rst
Merge branch '2.5'

Conflicts:
	changelog.rst