[DOC BLD FIX] Correct docstring issues in Soldfire driver
There were poorly formatted dosctrings in the Solidfire driver.
The docstrings were causing WARNINGs to be produced during
Sphinx doc generation.  This change fixes those errors.
@@ -142,6 +142,8 @@ def retry(exc_tuple, tries=5, delay=1, backoff=2):
class SolidFireDriver(san.SanISCSIDriver):
"""OpenStack driver to enable SolidFire cluster.
+ .. code-block:: default
+
Version history:
1.0 - Initial driver
1.1 - Refactor, clone support, qos by type and minor bug fixes
@@ -160,6 +162,7 @@ class SolidFireDriver(san.SanISCSIDriver):
2.0.8 - Add active status filter to get volume ops
2.0.9 - Always purge on delete volume
2.0.10 - Add response to debug on retryable errors
+
"""
VERSION = '2.0.10'
