Further wrangling with my Labs access, or lack of thereof; consulted the Labs IRC channel, learned that the root cause of my problems might be that I don't have sufficient access to my instance (!)
June 24
Changed the default color scheme from green to blue, as per the skin's name. (gerrit:141834)
June 25
Worked on the Notifications stuff; nothing ready to be committed at this point.
June 26
See above.
June 27
Integrated the essential bits and pieces of wikiHow's Notifications extension. (gerrit:142518)
i18n fixes for the bluesky-site-footer message. (gerrit:142520)