gui: Use babel 6 enforced ES6 import/export semantic
gui: Use babel 6 enforced ES6 import/export semantic

nono/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop,nono/cozy-desktop