Deploy Symfony application on Platform.sh.
Fix typo and add Github link.
Github => GitHub
Better match Symfony documentation standard.

Based on feedbacks from @xabbuh and @timglabisch.
Reference available services
Add some references.
Fix duplicated references.

This should make the Travis build pass.
Use alphabetical order.
Fix coding standards #2

Thanks @WouterJ and @stof
Coding standard for PHP block.
Update map.rst.inc
feature #4526 Deploy Symfony application on Platform.sh. (GuGuss)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #4526).

Discussion
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Deploy Symfony application on Platform.sh.

Commits
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105088a Update map.rst.inc
257e9a8 Coding standard for PHP block.
18ca974 Fix coding standards #2
29988aa Use alphabetical order.
75a1c56 Fix duplicated references.
8fb400e Add some references.
a8b6df8 Reference available services
62f76bf Better match Symfony documentation standard.
b70f413 Github => GitHub
c2a5675 Fix typo and add Github link.
b4383b5 Deploy Symfony application on Platform.sh.
Merge branch '2.3' into 2.5

* 2.3:
  Update map.rst.inc
  Coding standard for PHP block.
  Fix coding standards #2
  Use alphabetical order.
  Fix duplicated references.
  Add some references.
  Reference available services
  Better match Symfony documentation standard.
  Github => GitHub
  Fix typo and add Github link.
  Deploy Symfony application on Platform.sh.
Merge branch '2.5' into 2.6

* 2.5:
  Update map.rst.inc
  Coding standard for PHP block.
  Fix coding standards #2
  Use alphabetical order.
  Fix duplicated references.
  Add some references.
  Reference available services
  Better match Symfony documentation standard.
  Github => GitHub
  Fix typo and add Github link.
  Deploy Symfony application on Platform.sh.
Merge branch '2.7'

* 2.7:
  Update map.rst.inc
  Coding standard for PHP block.
  Fix coding standards #2
  Use alphabetical order.
  Fix duplicated references.
  Add some references.
  Reference available services
  Better match Symfony documentation standard.
  Github => GitHub
  Fix typo and add Github link.
  Deploy Symfony application on Platform.sh.