[FramworkBundle] fix phpdoc of commands
[FramworkBundle] removed unused property of trans update command
[FrameworkBundle] fix router debug command

- use dedicated Route:getMethods, getSchemes
- pattern -> path
- show missing scheme requirement
- show missing host regex
- refactoring
merged branch Tobion/debug-command (PR #7301)

This PR was merged into the 2.2 branch.

Commits
-------

15bf033 [FrameworkBundle] fix router debug command
d16d193 [FramworkBundle] removed unused property of trans update command
5361f83 [FramworkBundle] fix phpdoc of commands

Discussion
----------

[FrameworkBundle] router debug command fix

| Q             | A
| ------------- | ---
| Bug fix?      | [yes]
| New feature?  | [no]
| BC breaks?    | [no]
| Deprecations? | [no]
| Tests pass?   | [yes]
| License       | MIT

See commits.