Prepare 0.7.15
Prepare 0.7.15

thelazier/electrumx,Crowndev/electrumx,shsmith/electrumx,Groestlcoin/electrumx-grs,erasmospunk/electrumx,Groestlcoin/electrumx-grs,bauerj/electrumx,bauerj/electrumx,thelazier/electrumx,Crowndev/electrumx,shsmith/electrumx,erasmospunk/electrumx