Fix to sphinx conf.py - vcs_version has been removed from fsl.version

doc/conf.py

@@ -67,7 +67,7 @@ import fsl.version as fslversion
 version = fslversion.__version__
 
 # The full version, including alpha/beta/rc tags.
-release = '{} ({})'.format(version, fslversion.__vcs_version__)
+release = '{}'.format(version, fslversion.__version__)
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.