copy archetype from all trailpacks, add --trailpacks options, fix unit test false positive

[jaumard]

Add --trailpacks to install multiple trailpacks needed for https://github.com/trailsjs/trailsmix/issues/8 (trails PR coming) Install archetypes from installed trailpacks https://github.com/trailsjs/generator-trails/issues/21 Add other choice option as web server https://github.com/trailsjs/generator-trails/issues/14 Remove all semi colons