Removes Vivi as redundant
Removes Leah as redundant
Points Fern to Lila instead of Eloise
Adds Luann, a candidate Midas mermaid
Deletes the warning pointer from Callie to Isis mermaids

They're not currently in danger of mixing, so it was just complicating
the graph
Joins Valeria to the BN/Ember olivedrab group
Adds Leona, a candidate Honey Dew mermaid.
Adds Corrine, a candidate Sea Dragon mermaid
Points Bianca at Daphne instead of Iva

'Cause Iva hates Electra mermaids
Removes Rena from the Limelight/Koi orangered group
Adds Wikolia to the Limelight/Koi orangered group
Creates the BN/Domino/SD group in purple1
Corrects Corrine's dislike-of-Embers line
Joins Bianca to the BN/Domino/SD purple1 group
Adds Kara, a candidate Glimmer Rose mermaid.
Adds Lottie, a candidate Domino mermaid
Joins Lottie to the BN/Domino/SD purple1 group
Points Daphne to Lottie instead of Rena

Thus turning the Blue Nova/Domino/Sea Dragon purple1 group into simply
a Blue Nova/Domino purple1 group
Removes Rena as redundant
Adds Milly, a candidate Electra mermaid