🎉 💥 Piwik Analytics 3.0.4 💥 🎉

Merge pull request matomo-org#11711 from piwik/3.x-dev

Release Piwik 3.0.4-rc2

Merge pull request matomo-org#11699 from piwik/3.x-dev

Release Piwik 3.0.4-rc1

Merge pull request matomo-org#11679 from piwik/3.x-dev

Release Piwik 3.0.4-b3

Merge pull request matomo-org#11651 from piwik/3.x-dev

Release Piwik 3.0.4-b1

Merge pull request matomo-org#11585 from piwik/3.x-dev

Release Piwik 3.0.3