[Process] Fix #5594 : `termsig` must be used instead of `stopsig` in exceptions when a process is signaled
[Process] Add unit tests for #7865
Merge branch '2.1' into 2.2

* 2.1:
  [BrowserKit] fixed BC break done recently
  [Process] Fix #5594 : `termsig` must be used instead of `stopsig` in exceptions when a process is signaled
  Rename misprint property (from warmer to finder)
  Add This field is missing RU translation

Conflicts:
	src/Symfony/Component/Process/Process.php
	src/Symfony/Component/Validator/Resources/translations/validators.ru.xlf
Merge branch '2.2'

* 2.2:
  [BrowserKit] fixed BC break done recently
  [Process] Fix #5594 : `termsig` must be used instead of `stopsig` in exceptions when a process is signaled
  [Console] find command even if its name is a namespace too (closes #7860)
  Rename misprint property (from warmer to finder)
  Reset all catalogues when adding resource to fallback locale (#7715, #7819)
  Added reloading of fallback catalogues when calling addResource() (#7715)
  Re-added context information to log list
  Add This field is missing RU translation

Conflicts:
	src/Symfony/Component/Console/Tests/ApplicationTest.php
merged branch romainneutron/termsig-tests (PR #7874)

This PR was merged into the master branch.

Discussion
----------

[Process] Add unit tests for #7865

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | |no
| Tests pass?   | yes when 2.1 will be merged in master
| License       | MIT

This PR adds test for #7865. It's currently failing, but will pass once 2.1 will be merged in master.

Commits
-------

421c354 [Process] Add unit tests for #7865
fixed previous merge