Enable Flow on two enwiki WikiProject pages

Wikipedia_talk:WikiProject_Breakfast, WP_talk:WikiProject_Hampshire, and
WP_talk:Flow/Developer_test_page.
(All WMF wikis share the common 'flowdb', so no DB setup required.)

Bug: 60178
Change-Id: Ic3406a17bc15dc4528b0151f210a6428776f1e37
Merge "Enable Flow on two enwiki WikiProject pages"