Add links and info about Namecoin Core#229

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indolering wants to merge 3 commits intonamecoin:namecoinqfrom indolering:patch-2

+7

Commits on May 28, 2015

Added links to Namecore
indolering
committed

Commits on May 30, 2015

Namecore -> Namecoin Core, spelling, Armory -> GUI
indolering
committed

Commits on Jun 3, 2015

Fixed Namecoin Core 2x
indolering
committed