added docs for the new Table console helper
feature #3627 added docs for the new Table console helper (fabpot)

This PR was merged into the master branch.

Discussion
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added docs for the new Table console helper

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes (symfony/symfony#10365)
| Applies to    | 2.5+
| Fixed tickets | n/a

Commits
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bd9cd26 added docs for the new Table console helper