New osc SR to build OBS packages

For the moment, it's only used for re6st-node.

software/osc/osc.patch

+--- osc-0.167.2/setup.py
++++ osc-0.167.2/setup.py
+@@ -100,6 +100,7 @@
+ 
+ data_files = []
+ if sys.platform[:3] != 'win':
++  if 0:
+     data_files.append((os.path.join('share', 'man', 'man1'), ['osc.1.gz']))
+ 
+ with open("README") as fh:

software/osc/software.cfg

+[buildout]
+extends =
+   ../../stack/slapos.cfg
+   ../../component/m2crypto/buildout.cfg
+allow-picked-versions = true
+parts = osc
+
+[python]
+part = python2.7
+
+[osc]
+recipe = zc.recipe.egg
+eggs =
+  ${M2Crypto:egg}
+  osc
+  docutils
+  python-debian
+interpreter = py
+patch-options = -p1
+osc-patches = ${:_profile_base_location_}/osc.patch#5b7c45da72f0c39d255df42265f5f0c5
+
+[versions]
+python-debian = 0.1.39