Facebook Inc (NASDAQ:FB) has increased its market dominance as measured by logins, with 55% of all social logins and 64% of mobile logins for 2Q14, well ahead of second place Google+ which had 27% and 25% respectively according to new data from market research firm Gigya (h/t David Cohen at AllFacebook). Google Android isn’t giving Google+ much of an edge You might think that Google+ would be able to draw naturally on the huge number of Google Inc (NASDAQ:GOOG) Android users out there, but that clearly hasn’t been the case. Just as giving every gmail user a Google+ account exploded…