Specs repos now build with tox -e docs and this fails since warnings are
treated as errors. Fix issues, see below for details.
tox -e docs fails with:
1)
queens/remove-pool-group-from-zaqar.rst:402: WARNING: Inline emphasis start-string without end-string.
Fix RST syntax.
2) queens/support-md5-of-body.rst:: WARNING: document isn't included in any toctree
Include document in toctree.
3) rocky/queue-filter-support.rst:38: WARNING: Literal block expected; none found.
Fixed RST.
4) rocky/remove-format-constraint-of-client-id.rst:13: WARNING: Title overline too short.
Fixed RST.
5) rocky/remove-format-constraint-of-client-id.rst:37: ERROR: Unexpected indentation.
Fixed RST.
6) rocky/subscription-filtering-tags.rst:82: WARNING: Bullet list ends without a blank line; unexpected unindent.
Fixed RST.
Change-Id: Ide32b348d68e35f8f531c30ddae680d085553b68
b5e14a0e42