Error: The connection dev specified in user does not exist!

[ghost]

Issue Description

Launching a fresh installation of TrailsJS (express5, waterline) and then doing yo trails:model User fails to lift node server.js

Environment

• node version: 6.10.2
• trails version: 2-latest (27th May '17)
• operating system: Ubuntu 17

error: 
 Error: The connection dev specified in user does not exist!
    at /home/emanuele/Scrivania/trails/node_modules/waterline/lib/waterline/collection/loader.js:101:13
    at Array.forEach (native)
    at _getConnections (/home/emanuele/Scrivania/trails/node_modules/waterline/lib/waterline/collection/loader.js:96:35)
    at new module.exports (/home/emanuele/Scrivania/trails/node_modules/waterline/lib/waterline/collection/loader.js:23:32)
    at loadCollection (/home/emanuele/Scrivania/trails/node_modules/waterline/lib/waterline.js:108:18)
    at /home/emanuele/Scrivania/trails/node_modules/waterline/node_modules/async/lib/async.js:181:20
    at Object.async.forEachOf.async.eachOf (/home/emanuele/Scrivania/trails/node_modules/waterline/node_modules/async/lib/async.js:233:13)
    at Object.async.forEach.async.each (/home/emanuele/Scrivania/trails/node_modules/waterline/node_modules/async/lib/async.js:209:22)
    at Array.loadCollections (/home/emanuele/Scrivania/trails/node_modules/waterline/lib/waterline.js:122:13)
    at /home/emanuele/Scrivania/trails/node_modules/waterline/node_modules/async/lib/async.js:596:38
    at _arrayEach (/home/emanuele/Scrivania/trails/node_modules/waterline/node_modules/async/lib/async.js:85:13)
    at Object.async.auto (/home/emanuele/Scrivania/trails/node_modules/waterline/node_modules/async/lib/async.js:554:9)
    at Waterline.initialize (/home/emanuele/Scrivania/trails/node_modules/waterline/lib/waterline.js:118:9)
    at Promise (/home/emanuele/Scrivania/trails/node_modules/trailpack-waterline/index.js:54:15)
    at WaterlineTrailpack.initialize (/home/emanuele/Scrivania/trails/node_modules/trailpack-waterline/index.js:53:12)
    at app.after.then.then (/home/emanuele/Scrivania/trails/node_modules/trails/lib/trailpack.js:44:26)
    at process._tickDomainCallback (internal/process/next_tick.js:135:7)
    at Module.runMain (module.js:606:11)
    at run (bootstrap_node.js:393:7)
    at startup (bootstrap_node.js:150:9)
    at bootstrap_node.js:508:3