use ost.VERSION to set version number of documentation

doc/conf/conf.py

@@ -20,6 +20,7 @@ sys.path.append(os.path.join(os.path.abspath('../..'),
                              'stage/lib/openstructure'))
 sys.path.append(os.path.join(os.path.abspath('../..'), 
                              'stage/lib64/openstructure'))
+import ost
 # -- General configuration -----------------------------------------------------
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
@@ -49,9 +50,9 @@ copyright = u'2010, OpenStructure authors'
 # built documents.
 #
 # The short X.Y version.
-version = '1.1'
+version = ost.VERSION
 # The full version, including alpha/beta/rc tags.
-release = '1.1'
+release = ost.VERSION
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.