Fixing simple quotes in double quotes

Some simple quotes should be double quotes.
update the Sphinx extensions to raise warnings when backslashes are not escaped in namespace, class and method directives
fix typos in the prepend extension chapter
fixed small php syntax error
added block macro
bug #3943 Fixing simple quotes in double quotes (ptitlazy)

This PR was merged into the 2.3 branch.

Discussion
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Fixing simple quotes in double quotes

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets | #3942

Some simple quotes should be double quotes, for end of line to be used as such.

Commits
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dc6c993 Fixing simple quotes in double quotes
minor #3948 update the Sphinx extensions to raise warnings when backslashes are not ... (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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update the Sphinx extensions to raise warnings when backslashes are not ...

...escaped in namespace, class and method directives

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

Commits
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1b5a300 update the Sphinx extensions to raise warnings when backslashes are not escaped in namespace, class and method directives
minor #3957 [Cookbook][Bundles] fix typos in the prepend extension chapter (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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[Cookbook][Bundles] fix typos in the prepend extension chapter

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

Commits
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ad055ae fix typos in the prepend extension chapter
bug #3961 Fixing php coding (mvhirsch)

This PR was merged into the 2.3 branch.

Discussion
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Fixing php coding

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

There is a syntax error in those arrays, so I fixed it.
I also added the configuration-block macro as it seems to be missing on that page.

Commits
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68a8ab1 added block macro
f2aad67 fixed small php syntax error
[cookbook] [deployment] added cookbook showing how to deploy to the Microsoft Azure Website Cloud
feature #3963 [cookbook] [deployment] added cookbook showing how to deploy to the Microsoft Azure Website Cloud (hhamon)

This PR was merged into the 2.3 branch.

Discussion
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[cookbook] [deployment] added cookbook showing how to deploy to the Microsoft Azure Website Cloud

The SensioLabs & Microsoft Azure staff recently collaborated to write this tutorial together to promote the Azure Website cloud platform. This tutorial is a step by step guide describing how to deploy a Symfony Standard Edition to Azure.

This tutorial has been written by the following team:

Hugo Hamon – Head of training – SensioLabs
Thomas Conté – Technical Evangelist – Microsoft
Benjamin Moulès – Technical Evangelist - Microsoft

In the near future, the goal is also to expand the Deployment section of the Cookbooks to other famous hosting providers.

Commits
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d1d7c45 [cookbook] [deployment] added cookbook showing how to deploy to the Microsoft Azure Website Cloud
Merge branch '2.3' into 2.4