Issue #2157963 by lokapujya, alexpott, biguzis, zniki.ru, dimaro, benjf, themic8, jenlampton, subhojit777, thtas, kpv, Noe_, Berdir, thijsvdanker, Cottser, dcam, jhodgdon: Allow + symbol in usernames

Issue #1387964 by yoroy, themic8, realityloop, galooph: Fixed People miss the first section of the help overview page.

Issue #2002490 by themic8, jeroen12345: Rename Views method execute_count_query() to executeCountQuery().