[Console] fixed style creation when providing an unknown tag option
remove volatile tests

Some tests relying on timings and external network resources were not
reliable and occasionally made builds on Travis fail.
[HttpKernel] added an analyze of environment parameters for built-in server.
bug #10914 [HttpKernel] added an analyze of environment parameters for built-in server (mauchede)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #10914).

Discussion
----------

[HttpKernel] added an analyze of environment parameters for built-in server

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | no
| Fixed tickets | #10208
| License       | MIT
| Doc PR        | -

With the built-in server, it is not possible to use the external parameters: environment variables are only in `$_ENV`.

Commits
-------

696b978 [HttpKernel] added an analyze of environment parameters for built-in server.
fix typos and syntax in Profiler controller method comments
minor #11605 [WebProfilerBundle] Fix typos and syntax in Profiler controller method comments (pgodel)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #11605).

Discussion
----------

[WebProfilerBundle] Fix typos and syntax in Profiler controller method comments

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

Commits
-------

be03b75 fix typos and syntax in Profiler controller method comments
bug #11609 [Console] fixed style creation when providing an unknown tag option (fabpot)

This PR was merged into the 2.3 branch.

Discussion
----------

[Console] fixed style creation when providing an unknown tag option

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

When formatting a string, the console ignore style it cannot parse. But if a string looks like an option (`<setting=value>`) for instance, instead of displaying the text as is, it currently throws an exception.

Commits
-------

8814920 [Console] fixed style creation when providing an unknown tag option
minor #11603 remove volatile tests (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
----------

remove volatile tests

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | part of #11588
| License       | MIT
| Doc PR        |

Commits
-------

24fb66d remove volatile tests
Allow basic auth in url.
Improve regex. Add tests.
bug #11601 [Validator] Allow basic auth in url when using UrlValidator. (blaugueux)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #11601).

Discussion
----------

[Validator] Allow basic auth in url when using UrlValidator.

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |
Now an url with basic auth like ```http://username:password@symfony.com``` can be valid.

Commits
-------

f1ea987 Allow basic auth in url. Improve regex. Add tests.
[FrameworkBundle] add missing attribute to XSD

The hinclude_default_template configuration option couldn't have been
set in XML configurations since it wasn't defined in the XML schema
definition.
bug #11633 [FrameworkBundle] add missing attribute to XSD (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
----------

[FrameworkBundle] add missing attribute to XSD

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

The ``hinclude_default_template`` configuration option couldn't have been set in XML configurations since it wasn't defined in the XML schema definition.

Commits
-------

8a2b423 [FrameworkBundle] add missing attribute to XSD