Tilt build options

Add these to Protonfile.

Optional options for layout engines.

tilt_options:
  haml:
    escape_html: true
  scss:
    load_paths: [ 'css' ]
    style: :compact
    line_numbers: true

To disable CSS compression on the output, add these to your Protonfile:

tilt_build_options:
  scss:
    style: :compact
    line_numbers: false