Update release-process to point to gitian.sigs repo.

doc/release-process.txt

@@ -23,16 +23,16 @@
 
 * perform gitian builds
 
-  * From a directory containing the bitcoin source, gitian-builder and bitcoin-gitian-sigs
+  * From a directory containing the bitcoin source, gitian-builder and gitian.sigs
   $ export VERSION=0.3.23
   $ cd ./gitian-builder
   $ ./bin/gbuild --commit bitcoin=v$VERSION ../bitcoin/contrib/gitian-descriptors/gitian.yml
-  $ ./bin/gsign --signer (your gitian key, ie bluematt, sipa, etc) --release $VERSION --destination ../bitcoin-gitian-sigs/ ../bitcoin/contrib/gitian-descriptors/gitian.yml
+  $ ./bin/gsign --signer (your gitian key, ie bluematt, sipa, etc) --release $VERSION --destination ../gitian.sigs/ ../bitcoin/contrib/gitian-descriptors/gitian.yml
   $ cd build/out
   $ zip bitcoin-$VERSION-linux-gitian.zip *
   $ mv bitcoin-$VERSION-linux-gitian.zip ../../
   $ ./bin/gbuild --commit bitcoin=v$VERSION ../bitcoin/contrib/gitian-descriptors/gitian-win32.yml
-  $ ./bin/gsign --signer (your gitian key, ie bluematt, sipa, etc) --release $VERSION-win32 --destination ../bitcoin-gitian-sigs/ ../bitcoin/contrib/gitian-descriptors/gitian-win32.yml
+  $ ./bin/gsign --signer (your gitian key, ie bluematt, sipa, etc) --release $VERSION-win32 --destination ../gitian.sigs/ ../bitcoin/contrib/gitian-descriptors/gitian-win32.yml
   $ cd build/out
   $ zip bitcoin-$VERSION-win32-gitian.zip *
   $ mv bitcoin-$VERSION-win32-gitian.zip ../../
@@ -40,7 +40,7 @@
   Build output expected:
   1. linux 32-bit and 64-bit binaries + source (bitcoin-$VERSION-linux-gitian.zip)
   2. windows 32-bit binary, installer + source (bitcoin-$VERSION-win32-gitian.zip)
-  3. Gitian signatures (in bitcoin-gitian-sigs/$VERSION[-win32]/(your gitian key)/
+  3. Gitian signatures (in gitian.sigs/$VERSION[-win32]/(your gitian key)/
 
 * repackage gitian builds for release as stand-alone zip/tar/installer exe
 
@@ -79,15 +79,15 @@
 
   * Collect enough gitian signatures to meet minimum_weight (see contrib/gitian-downloader/*-download-config)
 
-  * From a directory containing bitcoin source, bitcoin-gitian-sigs and gitian zips
+  * From a directory containing bitcoin source, gitian.sigs and gitian zips
   $ export VERSION=0.3.23
   $ mkdir bitcoin-$VERSION-win32-gitian; cd bitcoin-$VERSION-win32-gitian
   $ unzip ../bitcoin-$VERSION-win32-gitian.zip
   $ mkdir gitian
   $ cp ../bitcoin/contrib/gitian-downloader/*.pgp ./gitian/
-  $ for file in `ls ../bitcoin-gitian-sigs/$VERSION-win32/`; do
-  $   cp ../bitcoin-gitian-sigs/$VERSION-win32/$file/bitcoin-build.assert ./gitian/$file-build.assert
-  $   cp ../bitcoin-gitian-sigs/$VERSION-win32/$file/bitcoin-build.assert.sig ./gitian/$file-build.assert.sig
+  $ for file in `ls ../gitian.sigs/$VERSION-win32/`; do
+  $   cp ../gitian.sigs/$VERSION-win32/$file/bitcoin-build.assert ./gitian/$file-build.assert
+  $   cp ../gitian.sigs/$VERSION-win32/$file/bitcoin-build.assert.sig ./gitian/$file-build.assert.sig
   $ done
   $ zip bitcoin-$VERSION-win32-gitian.zip *
   $ cp bitcoin-$VERSION-win32-gitian.zip ../
@@ -96,9 +96,9 @@
   $ unzip ../bitcoin-$VERSION-linux-gitian.zip
   $ mkdir gitian
   $ cp ../bitcoin/contrib/gitian-downloader/*.pgp ./gitian/
-  $ for file in `ls ../bitcoin-gitian-sigs/$VERSION/`; do
-  $   cp ../bitcoin-gitian-sigs/$VERSION/$file/bitcoin-build.assert ./gitian/$file-build.assert
-  $   cp ../bitcoin-gitian-sigs/$VERSION/$file/bitcoin-build.assert.sig ./gitian/$file-build.assert.sig
+  $ for file in `ls ../gitian.sigs/$VERSION/`; do
+  $   cp ../gitian.sigs/$VERSION/$file/bitcoin-build.assert ./gitian/$file-build.assert
+  $   cp ../gitian.sigs/$VERSION/$file/bitcoin-build.assert.sig ./gitian/$file-build.assert.sig
   $ done
   $ zip bitcoin-$VERSION-linux-gitian.zip *
   $ cp bitcoin-$VERSION-linux-gitian.zip ../