fix typo.
[cookbook] [deployment] removed marketing introduction in Azure Deployment cookbook.
fix origin of AcmeDemoBundle
remove origin of AcmeDemoBundle

I fixed a line break, too.
minor #3951 fix origin of AcmeDemoBundle (hice3000)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #3951).

Discussion
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fix origin of AcmeDemoBundle

Commits
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2d85bd0 remove origin of AcmeDemoBundle
33dba96 fix origin of AcmeDemoBundle
minor #3967 fix typo. (yositani2002)

This PR was merged into the 2.3 branch.

Discussion
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fix typo.

two notes does not show.

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

Commits
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957c46d fix typo.
minor #3969 [cookbook] [deployment] removed marketing introduction in Azure Deployme... (hhamon)

This PR was merged into the 2.3 branch.

Discussion
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[cookbook] [deployment] removed marketing introduction in Azure Deployme...

Commits
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c373481 [cookbook] [deployment] removed marketing introduction in Azure Deployment cookbook.
Added June changelog
Proofreading the new Azure deployment article

Many minor changes to make things shorter and just a little more lively :)
Fixing typo
Lots of fixes thanks to @xabbuh and @stof!