Merge branch '2.1' into 2.2
Merge branch '2.2'
[#2465] Fixing tiny typo
Merge branch '2.0' into 2.1
Merge branch '2.1' into 2.2
Merge branch '2.2'
[#1465] Re-adding debug component note
Typo fixed
cs cleanup
Improving Web server configuration
Merge pull request #2468 from jakzal/login-in-func-tests

Documented simulating an authentication by manual token creation.
[#2468] Minor tweaks to new simulating auth in test env entry
Merge branch '2.0' into 2.1
Merge branch '2.1' into 2.2
Merge branch '2.2'
Merge pull request #2473 from umpirsky/feature/console-helper-table

Console table helper
[#2473] Minor tweaks to new console table helper
kernel.bundle_dirs doesn't exist in KernelParameters
Documented that the Optional and Required constraints were moved to the Symfony\Component\Validator\Constraints\ namespace
adding doc for mongodb