BLD: ipython_directive, handle non-ascii execution results
BLD/DOC: docs conf.py, force pandas to alwayd output utf8 on eall systems (win)
Merge pull request #6185 from y-p/PR_ip_d_unicode

BLD: ipython_directive, handle non-ascii execution results
Small spelling fixes in find_undoc_args.py
DOC: cleanups
Merge pull request #6196 from bwignall/quickfix-find_undoc_args

CLN: Small spelling fixes in find_undoc_args.py