fine wine

• updated to electron v2
• builds for linux, macOS, (windows soon)
• formatting using prettier-standard
• removed debug logs

amalgam

I just merged all the open pull requests and made what minimal changes was necessary to do npm run build-mac and verified that it opens. No other gaurantees

• Updated electron-packager to v12
• Added git clone block (@acrogenesis)
• Added commandline option to write to SD card (@Hitabis)
  • open -a /Applications/PiBakery.app --args image=raspbian-pibakery.img sdPath=/dev/disk2 sdName=boot
• Added commandline option for importing a recipe (@Hitabis)
  • on macOS open -a /Applications/PiBakery.app --args importRecipe=/path/to/recipe.xml
• Pretty print XML for export (@kalliste)