updated dependencies
updated dependencies

Changelogs summary:

 - phpunit/phpunit updated from 4.8.19 to 4.8.21
   See changes: https://github.com/sebastianbergmann/phpunit/compare/4.8.19...4.8.21
   Release notes: https://github.com/sebastianbergmann/phpunit/releases/tag/4.8.21

 - teqneers/ext-application updated from dev-master to dev-master
   See changes: https://github.com/teqneers/ext-application/compare/52361a4...3f424a9

teqneers/ext-application-bundle,teqneers/ext-application-bundle