A lot of the talk surrounding the Goo Goo Dolls as the band plays shows this fall in support of its latest album, “Magnetic” (and a new 5-song acoustic EP, “Warner Sound Sessions Live”) is centering on how life is better in the band than it was when the group last went through the album-making process.Some of the good vibes reflect recent events in the lives of the Goo Goo Dolls’ two founding members. Singer/guitarist John Rzeznik got married to his long-time girlfriend Melina Gallo, while bassist Robby Takac became a father.But Takac says things have also taken a turn for the better with issu