[ticket/11527] Upgrade composer.phar to 1.0.0-alpha7.

PHPBB3-11527
Merge branch 'ticket/11527' into ticket/11526

* ticket/11527:
  [ticket/11527] Upgrade composer.phar to 1.0.0-alpha7.
[ticket/11526] Increase composer minimum stability in olympus to stable.

PHPBB3-11526
[ticket/11526] Update all dependencies / regenerate composer.lock.

PHPBB3-11526
Merge pull request #1392 from bantu/ticket/11527

[ticket/11527] Upgrade composer.phar to 1.0.0-alpha7.
Merge pull request #1393 from bantu/ticket/11526

[ticket/11526] Increase composer minimum-stability from beta to stable
[ticket/11513] Add PHPUnit 3.7 and DbUnit 1.2 as a composer dev dependency.

PHPBB3-11513
[ticket/11513] Update (all) composer dependencies.

PHPBB3-11513
[ticket/11513] Use PHPUnit from composer in .travis.yml.

PHPBB3-11513
[ticket/11513] Update all CLI calls to phpunit to use vendor/bin.

PHPBB3-11513
[ticket/11513] Update RUNNING_TESTS.txt to no longer refer to PEAR.

PHPBB3-11513
Merge pull request #1387 from bantu/ticket/11513

[ticket/11513] Install PHPUnit via Composer
[ticket/11529] Rename RUNNING_TESTS.txt to RUNNING_TESTS.md

PHPBB3-11529
[ticket/11529] Format markdown code correctly

PHPBB3-11529
Merge remote-tracking branch 'naderman/ticket/11529' into develop-olympus

* naderman/ticket/11529:
  [ticket/11529] Format markdown code correctly
  [ticket/11529] Rename RUNNING_TESTS.txt to RUNNING_TESTS.md