gh-57 sync debug info with configuration details

  - We now take the value from the config
  - The debug template now takes the value directly
    from the service instead of the model as it will
    reflects changes to the config made elsewhere in the app

Fixed CORS issue due to bad request Origin

Use env production in CI when building packages

gh-49 Upgrade to ember-electron 2.x

  - This paves the way to having installers for all
    platforms (with electron:make)
  - Fixes the appveyor build

gh-49 use latest yarn in appveyor

gh-49 fixed build output path in ci

dammit

gh-52 Fix for buttons in submit form

  They are now enabled properly after selecting a file

fixing wording if API key is unset

Updated deps