doc index.rst:
1. Update intro sentence to read as a complete sentence
2. Remove unused toctree
3. Correct heading levels (impacting side nav and correct rendering of content)
4. Remove "Indices and Tables" section: genindex page not used, search searches
only index (not useful here)
releasenotes index.rst:
1. Standardize page title reST markup
2. Remove search (make consistent with other openstack release note pages)
Change-Id: I4847f655f72c3ce4fe1f0d197b00167e499dd658
Signed-off-by: Kristal Dale <kristal.dale@intel.com>
a2ed44be0c