link in css if provided for template
add css_path and import css file from package
include css_path for template in setup json
dont stomp on key when updating template
updated frontend to include template.js change to load css
dont stomp on key when updating template
include CSS in label
add css file input for manual template creation
add test for template package that includes css file
Merge pull request #806 from concerto/template_css_support

Template css support