Dashboard: clarify response and wget code checks.
Dashboard: clarify response and wget code checks.

It's a presence check, not a "does this evaluate as false" check.

falconkirtaran/ArchiveBot,Frogging101/ArchiveBot,ArchiveTeam/ArchiveBot,JesseWeinstein/ArchiveBot,emijrp/ArchiveBot,Asparagirl/ArchiveBot,Frogging101/ArchiveBot,Asparagirl/ArchiveBot,falconkirtaran/ArchiveBot,JesseWeinstein/ArchiveBot,Asparagirl/ArchiveBot,falconkirtaran/ArchiveBot,falconkirtaran/ArchiveBot,ArchiveTeam/ArchiveBot,JesseWeinstein/ArchiveBot,Asparagirl/ArchiveBot,Frogging101/ArchiveBot,emijrp/ArchiveBot,emijrp/ArchiveBot,falconkirtaran/ArchiveBot,JesseWeinstein/ArchiveBot,Asparagirl/ArchiveBot,emijrp/ArchiveBot,emijrp/ArchiveBot,ArchiveTeam/ArchiveBot,ArchiveTeam/ArchiveBot,ArchiveTeam/ArchiveBot,Frogging101/ArchiveBot,JesseWeinstein/ArchiveBot,Frogging101/ArchiveBot