crit: Use same version as criu

Name collision with an abandoned project named 'crit' in pypi causes pip
to show crit (CRiu Image Tool) as outdated.  This patch updates crit to
use the same version and license as criu.

Fixes #1878

Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>

Makefile

@@ -428,6 +428,7 @@ lint:
 	flake8 --config=scripts/flake8.cfg test/others/rpc/config_file.py
 	flake8 --config=scripts/flake8.cfg lib/py/images/pb2dict.py
 	flake8 --config=scripts/flake8.cfg scripts/criu-ns
+	flake8 --config=scripts/flake8.cfg scripts/crit-setup.py
 	flake8 --config=scripts/flake8.cfg coredump/
 	shellcheck --version
 	shellcheck scripts/*.sh

scripts/crit-setup.py

@@ -1,10 +1,24 @@
+import os
 from distutils.core import setup
 
+criu_version = "0.0.1"
+env = os.environ
+
+if 'CRIU_VERSION_MAJOR' in env and 'CRIU_VERSION_MINOR' in env:
+    criu_version = '{}.{}'.format(
+        env['CRIU_VERSION_MAJOR'],
+        env['CRIU_VERSION_MINOR']
+    )
+
+    if 'CRIU_VERSION_SUBLEVEL' in env and env['CRIU_VERSION_SUBLEVEL']:
+        criu_version += '.' + env['CRIU_VERSION_SUBLEVEL']
+
 setup(name="crit",
-      version="0.0.1",
+      version=criu_version,
       description="CRiu Image Tool",
       author="CRIU team",
       author_email="criu@openvz.org",
+      license="GPLv2",
       url="https://github.com/checkpoint-restore/criu",
       package_dir={'pycriu': 'lib/py'},
       packages=["pycriu", "pycriu.images"],