Update old Bisq Explorer URLs with new Mempool Explorer URLs, tweak strings#4501

Merged

sqrrm merged 2 commits intobisq-network:masterfrom wiz:update-mempool-explorer-urls

Sep 8, 2020

+6-6

Commits on Sep 8, 2020

Replace old Bisq Explorer URLs with new Mempool URLs for the 3 we have
wiz
committed
Tweak strings of "BSQ Explorer" -> "Bisq Explorer" and "Bitcoin Explorer"
wiz
committed