Move Acme demo bundle to sensio DistributionBundle
feature #643 Move Acme demo bundle to sensio DistributionBundle (romainneutron)

This PR was merged into the 2.4-dev branch.

Discussion
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Move Acme demo bundle to sensio DistributionBundle

See https://github.com/symfony/symfony-standard/issues/639
Merge https://github.com/sensiolabs/SensioDistributionBundle/pull/119 before this one

Commits
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eb5d496 Move Acme demo bundle to sensio DistributionBundle
updated deps
added PHP 5.5 and 5.6 to travis config
Move Acme demo bundle configuration to sensio DistributionBundle
feature #645 Move Acme demo bundle configuration to sensio DistributionBundle (romainneutron)

This PR was squashed before being merged into the 2.4-dev branch (closes #645).

Discussion
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Move Acme demo bundle configuration to sensio DistributionBundle

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| License       | MIT

This is related to https://github.com/sensiolabs/SensioDistributionBundle/pull/120

Commits
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0d8d160 Move Acme demo bundle configuration to sensio DistributionBundle
Add new directory structure hook