Hello,
just letting you know that I have refactored Gravstrap plugin using shortcodes. It provides:
6 Basic shortcodes
17 Bootstrap shortcodes
7 Modules
2 Footers
Demo: http://gravstrap.diblas.net
Plugin: http://diblas.net/plugins/use-bootstrap-components-as-shortcodes-in-grav-cms
Theme: http://diblas.net/themes/gravstrap-theme-helps-to-start-a-new-grav-cms-site-with-bootstrap-support
Skeleton: https://github.com/giansi/gravstrap-theme-skeleton/releases/tag/v1.0.0.rc-4
Glad to have some feedback from you! 