Expand the documentation to explain how to use different session providers.

This PR was merged into the 2.0.x-dev branch.

Discussion
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Move setting $app['twig.app_variable'] after 'Symfony\Bridge\Twig' check

Currently `TwigServiceProvider ` sets `$app['twig.app_variable']` to be function that has a dependency on classes that are not required by Silex. This will fail if the user then calls that function. This happens for example when the [silex-pimple-dumper](https://github.com/Sorien/silex-pimple-dumper) maps over the app and tries to dump it's content.

This PR fixes that by moving this in the `class_exists('Symfony\Bridge\Twig\Extension\RoutingExtension')` check.

I've also added comment because at first it wasn't clear for me that this check for the `RoutingExtension` was the check for the whole Twig bridge. Please feel free to rebase and remove it it you don't like it or I misinterpreted it.

Keep up the good work! 👍

Commits
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b97f5a89 Move setting $app['twig.app_variable'] after 'Symfony\Bridge\Twig' check

This PR was merged into the 2.0.x-dev branch.

Discussion
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Test/Explain monolog.exception.logger_filter

This PR:
- adds a test for the `monolog.exception.logger_filter` configuration option for the MonologServiceProvider
- updates the description stating it is not a filter, but a mapping function from exception to error level

Commits
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21bd1c42 Test/Explain monolog.exception.logger_filter

* 1.3:
  Specify relation of twig-bridge to symfony/config

This PR was submitted for the master branch but it was merged into the 1.3 branch instead (closes #1426).

Discussion
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Specify relation of twig-bridge to symfony/config

When I install `symfony/twig-bridge` I've got `Class 'Symfony\Component\Config\Util\XmlUtils' not found in /vendor/symfony/translation/Loader/XliffFileLoader.php on line 53`

It's kinda related to comment https://github.com/symfony/symfony/issues/13194#issuecomment-90893304

Commits
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e2e417fa Specify relation of twig-bridge to symfony/config

When I install `symfony/twig-bridge` I've got `Class 'Symfony\Component\Config\Util\XmlUtils' not found in /vendor/symfony/translation/Loader/XliffFileLoader.php on line 53`

It's kinda related to comment https://github.com/symfony/symfony/issues/13194#issuecomment-90893304

This PR was merged into the 2.0.x-dev branch.

Discussion
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Add Symfony Twig Brigde installation in asset doc

Add Symfony Twig Brigde installation in asset doc, I have the following error otherwise : `Unknown "asset" function`
Made it clearer that twig-bridge is required.

Commits
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76bfd014 Add Symfony Twig Brigde installation in asset doc

This PR was merged into the 2.0.x-dev branch.

Discussion
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Small typo fix

Add missing space in Guard Authentication doc

Commits
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758e9f06 Add missing space in Guard Authentication doc

This PR was merged into the 2.0.x-dev branch.

Discussion
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Example missing `use` reference to Symfony's EventDispatcherInterface

Commits
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4abe9de9 Example missing `use` reference to Symfony's EventDispatcherInterface

This PR was merged into the 2.0.x-dev branch.

Discussion
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Update providers.rst

Commits
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94b16a8e Update providers.rst

* 1.3:
  fixed deprecation handler in tests

This PR was merged into the 1.3 branch.

Discussion
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fixed deprecation handler in tests

Commits
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7b9fdf1d fixed deprecation handler in tests

This PR was merged into the 2.0.x-dev branch.

Discussion
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removed obsolete code (fixed in Symfony 2.3.32)

That was fixed in symfony/symfony#15392 (so before 2.8.0).

Commits
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b12cdc49 removed obsolete code (fixed in Symfony 2.3.32)

* 1.3:
  removed obsolete dep
  removed usage of obsolete PHPUnit method

This PR was merged into the 1.3 branch.

Discussion
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removed usage of obsolete PHPUnit method

Commits
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12a8c99c removed obsolete dep
b10ec528 removed usage of obsolete PHPUnit method

This PR was squashed before being merged into the 2.0.x-dev branch (closes #1408).

Discussion
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fix lazy evaluation of 'monolog.use_error_handler'

the value of 'debug' could be set after registering the serviceprovider.

Commits
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9b846972 fix lazy evaluation of 'monolog.use_error_handler'

* 1.3:
  Revert "minor #1410 Update testing.rst - preventing Fatal Error: Class 'Silex\WebTestCase' not found (Czarnodziej)"

Revert "minor #1410 Update testing.rst - preventing Fatal Error: Class 'Silex\WebTestCase' not found (Czarnodziej)"

This reverts commit af39ead0, reversing
changes made to a102df4d.

* 1.3:
  Update testing.rst
  Update nginx sample with PHP7 as default
  Bootstrap composer autoload in PHPUnit

minor #1410 Update testing.rst - preventing Fatal Error: Class 'Silex\WebTestCase' not found (Czarnodziej)

This PR was submitted for the master branch but it was merged into the 1.3 branch instead (closes #1410).

Discussion
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Update testing.rst - preventing Fatal Error: Class 'Silex\WebTestCase' not found

Taken from:
https://github.com/silexphp/Silex-Skeleton/blob/master/phpunit.xml.dist

Not adding bootstrap segment to phpunit.xml.dist causes Fatal Error: Class 'Silex\WebTestCase' not found

Commits
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ac35d9d1 Update testing.rst

https://github.com/silexphp/Silex-Skeleton/blob/master/phpunit.xml.dist

Not adding bootstrap segment to phpunit.xml.dist causes Fatal Error: Class 'Silex\WebTestCase' not found

This PR was merged into the 2.0.x-dev branch.

Discussion
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Fix invalid parameters order

see http://php.net/manual/en/function.strpos.php

Commits
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73d1e212 Fix invalid parameters order

see http://php.net/manual/en/function.strpos.php

This PR was submitted for the master branch but it was merged into the 1.3 branch instead (closes #1398).

Discussion
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Update nginx sample with PHP7 as default

welcome PHP7 :)

Commits
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e8376e54 Update nginx sample with PHP7 as default