v1.0.5 Release

Improvements

• Add introduction in the doc (#20)
• Update to Composer 1.8 (f7b7b32)
• Update the Travis config (985c95e, 6196794)
• Update the php code styles (fbaf7e4)

Bug fixes

• Fix yarn outdated lockfile with the upgrade command (#26, 518f39c)
• Add the minimal versions for the asset managers (#24, 847ebd3)

Requirements:

Composer version: ^1.5.0