Applied new fonts in the blog.
Fixed font family definitions.
Changed default text font-family.
Merge branch 'fs/font-choices' into fs/diagramming

Conflicts:
	content/themes/taller/assets/sass/partials/components/_post.sass
	content/themes/taller/assets/sass/partials/def/_typography.sass
Defined font sizes and paragraphs widths for different breakpoints.