DOC: indexing.rst fixes w.r.t (GH8227)
DOC: fix bunch of doc build errors
Merge pull request #8485 from jreback/index_fixups

DOC: indexing.rst fixes w.r.t (GH8227)
Merge pull request #8487 from jorisvandenbossche/doc-fixes

DOC: fix bunch of doc build errors
DOC: warning about copying for df.append/concat. Fixes #7967

updating concat section to reflex comments on PR #8488

DOC: placing the concat notes in a .. note:: block. #8488

DOC: Minor formatting changes for #8488
Merge pull request #8488 from hunterowens/speed-docs

DOC: warning about copying for df.append/concat. Fixes #7967
ENH: Add `orient` argument and `split` option to `to_dict`. (GH7840)

Update documentation with deprecation and enhancement notices.

Remove indentation from list in docstring.
Merge branch 'to_dict_gh7840' of https://github.com/rpetchler/pandas into to_dict_gh7840