[gitian] Move keys to contrib/gitian-keys

contrib/README.md

@@ -34,10 +34,10 @@ Contains files used to package bitcoind/bitcoin-qt
 for Debian-based Linux systems. If you compile bitcoind/bitcoin-qt yourself, there are some useful files here.
 
 ### [Gitian-descriptors](/contrib/gitian-descriptors) ###
-Gavin's notes on getting gitian builds up and running using KVM.
+Notes on getting Gitian builds up and running using KVM.
 
-### [Gitian-downloader](/contrib/gitian-downloader)
+### [Gitian-keys](/contrib/gitian-keys)
-Various PGP files of core developers. 
+PGP keys used for signing Bitcoin Core [Gitian release](/doc/release-process.md) results.
 
 ### [MacDeploy](/contrib/macdeploy) ###
 Scripts and notes for Mac builds. 

doc/release-process.md

@@ -115,7 +115,7 @@ The gbuild invocations below <b>DO NOT DO THIS</b> by default.
 
   Add other gitian builders keys to your gpg keyring
 
-	gpg --import ../bitcoin/contrib/gitian-downloader/*.pgp
+	gpg --import ../bitcoin/contrib/gitian-keys/*.pgp
 
   Verify the signatures