Update virt-back URLs from Bitbucket to git.unturf.com & add PyPI link

content/2011-03-20-virt-back-a-python-libvirt-backup-utility-for-kvm-xen-virtualbox.rst

@@ -23,7 +23,8 @@ feel free to give suggestions or branch the source.
 virt-back has been placed in the public domain and the latest version
 may be downloaded here:
 
-* `https://bitbucket.org/russellballestrini/virt-back <https://bitbucket.org/russellballestrini/virt-back>`_
+* `https://git.unturf.com/python/virt-back <https://git.unturf.com/python/virt-back>`_
+* `https://pypi.org/project/virt-back/ <https://pypi.org/project/virt-back/>`_
 
 Installation
 ============
@@ -36,7 +37,7 @@ Otherwise you may manually install virt-back
 
 ::
 
-    sudo wget https://bitbucket.org/russellballestrini/virt-back/raw/tip/virt-back \
+    sudo wget https://git.unturf.com/python/virt-back/raw/branch/master/virt-back \
     -O  /usr/local/bin/virt-back
 
 ::

content/2013-03-02-virt-backs-domfetcher-class-returns-doms-from-libvirt-api.rst

@@ -19,7 +19,7 @@ KVM <https://code.ncultra.org/2013/02/scale-11x-open-virtualization/>`__\ "
 on virt-back.
 
 During my trip home I used the in-flight wifi to push this
-`commit <https://bitbucket.org/russellballestrini/virt-back/commits/d6dff27323650bf784cc284f676299ffe07953cb>`__
+`commit <https://git.unturf.com/python/virt-back/commit/d6dff27323650bf784cc284f676299ffe07953cb>`__
 into the cloud from the clouds! This particular commit re-factored the
 dom object list generation into a simple-to-use class called Domfetcher.
 Domfetcher abstracts the libvirt API and grants access to the following