Add grid-layout and portfolio taxonomy terms to theme taxonomies to coincide with theme updates; /cc @seear for review.
Update theme taxonomies
Adds new grid-layout and portfolio taxonomies to the taxonomies object to coincide with theme tag updates.
Test live: https://calypso.live/?branch=update/theme-taxonomies
Themes: Fix whitespace to match (non-standard) existing file
Because this list was initially autogenerated, the whitespace is a bit weird. I made a commit to fix that.
This is good to merge 👍