Point README and Gitian tooling at GitHub

The Codeberg repositories are being retired. README links, the five
Gitian descriptors' source URL, gitian-build.py and dockrun.sh now use
github.com/wownero/wownero and github.com/wownero/gitian.sigs.

contrib/gitian/dockrun.sh

@@ -47,10 +47,10 @@ RUN useradd -ms /bin/bash -U ubuntu -G docker
 USER ubuntu:docker
 WORKDIR $WORKDIR
 
-RUN	git clone https://codeberg.org/wownero/gitian.sigs.git sigs; \
+RUN	git clone https://github.com/wownero/gitian.sigs.git sigs; \
   git clone https://github.com/devrandom/gitian-builder.git builder; \
   cd builder; git checkout c0f77ca018cb5332bfd595e0aff0468f77542c23; mkdir -p inputs var; cd inputs; \
-  git clone https://codeberg.org/wownero/wownero
+  git clone https://github.com/wownero/wownero
 
 CMD ["sleep", "infinity"]
 EOF
@@ -115,7 +115,7 @@ if [ "$check" != "sign" ]; then
 fi
 
 if [ ! -d sigs ]; then
-	git clone https://codeberg.org/wownero/gitian.sigs.git sigs
+	git clone https://github.com/wownero/gitian.sigs.git sigs
 	cd sigs
 	git remote add $GH_USER git@github.com:$GH_USER/gitian.sigs.git
 	cd ..

contrib/gitian/gitian-android.yml

@@ -26,7 +26,7 @@ packages:
 - "cmake"
 - "unzip"
 remotes:
-- "url": "https://codeberg.org/wownero/wownero.git"
+- "url": "https://github.com/wownero/wownero.git"
   "dir": "wownero"
 files: []
 script: |

contrib/gitian/gitian-build.py

@@ -5,7 +5,7 @@ import os
 import subprocess
 import sys
 
-gsigs = 'https://codeberg.org/wownero/gitian.sigs.git'
+gsigs = 'https://github.com/wownero/gitian.sigs.git'
 gbrepo = 'https://github.com/devrandom/gitian-builder.git'
 
 platforms = {'l': ['Linux', 'linux', 'tar.bz2'],
@@ -113,7 +113,7 @@ def main():
     parser = argparse.ArgumentParser(description='Script for running full Gitian builds.', usage='%(prog)s [options] signer version')
     parser.add_argument('-c', '--commit', action='store_true', dest='commit', help='Indicate that the version argument is for a commit or branch')
     parser.add_argument('-p', '--pull', action='store_true', dest='pull', help='Indicate that the version argument is the number of a github repository pull request')
-    parser.add_argument('-u', '--url', dest='url', default='https://codeberg.org/wownero/wownero', help='Specify the URL of the repository. Default is %(default)s')
+    parser.add_argument('-u', '--url', dest='url', default='https://github.com/wownero/wownero', help='Specify the URL of the repository. Default is %(default)s')
     parser.add_argument('-v', '--verify', action='store_true', dest='verify', help='Verify the Gitian build')
     parser.add_argument('-b', '--build', action='store_true', dest='build', help='Do a Gitian build')
     parser.add_argument('-B', '--buildsign', action='store_true', dest='buildsign', help='Build both signed and unsigned binaries')

contrib/gitian/gitian-freebsd.yml

@@ -26,7 +26,7 @@ packages:
 - "python"
 - "cmake"
 remotes:
-- "url": "https://codeberg.org/wownero/wownero.git"
+- "url": "https://github.com/wownero/wownero.git"
   "dir": "wownero"
 files: []
 script: |

contrib/gitian/gitian-linux.yml

@@ -38,7 +38,7 @@ packages:
 - "python"
 - "cmake"
 remotes:
-- "url": "https://codeberg.org/wownero/wownero.git"
+- "url": "https://github.com/wownero/wownero.git"
   "dir": "wownero"
 files: []
 script: |

contrib/gitian/gitian-osx.yml

@@ -24,7 +24,7 @@ packages:
 - "python-dev"
 - "python-setuptools"
 remotes:
-- "url": "https://codeberg.org/wownero/wownero.git"
+- "url": "https://github.com/wownero/wownero.git"
   "dir": "wownero"
 files: []
 script: |

contrib/gitian/gitian-win.yml

@@ -35,7 +35,7 @@ alternatives:
   package: "x86_64-w64-mingw32-gcc"
   path: "/usr/bin/x86_64-w64-mingw32-gcc-posix"
 remotes:
-- "url": "https://codeberg.org/wownero/wownero.git"
+- "url": "https://github.com/wownero/wownero.git"
   "dir": "wownero"
 files: []
 script: |