idAsIndex should be true with a smallint or bigint id field.
[SecurityBundle] Fixed configuration exemple

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -
small changes
merged branch bamarni/minor-2.1 (PR #7533)

This PR was merged into the 2.1 branch.

Discussion
----------

small changes

Commits
-------

766e880 small changes
merged branch lyrixx/fix-security-config (PR #7528)

This PR was merged into the 2.1 branch.

Discussion
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[2.1][SecurityBundle] Fixed configuration exemple

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

Commits
-------

2c7a99b [SecurityBundle] Fixed configuration exemple
merged branch sterrien/patch-4 (PR #7519)

This PR was merged into the 2.1 branch.

Discussion
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[Form] [Doctrine] [EntityChoiceList] idAsIndex should be true with a smallint id field.

When the id of an entity is a smallint, $this->idAsIndex should also be true.
It was not the case.

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: should
License of the code: MIT

Commits
-------

673fd9b  idAsIndex should be true with a smallint or bigint id field.
fixed doc references (closes #7515)