Fix prefix argument for read_csv/read_table
BUG: add tests for read_table/read_csv `prefix` argument
CLN: Make io/data urls easier to monkey-patch
bug fix for issue 5797
Merge pull request #5806 from MichaelWS/master

BUG: Series replace values using timestamps in a dict GH5797
Merge pull request #5817 from jtratner/make-urls-globals

CLN: Make io/data urls easier to monkey-patch
Merge pull request #5733 from nmichaud/read_table_prefix_fix

Fix prefix argument for read_csv/read_table
DOC: update release notes for GH5733
DOC: add pandas-xlsxwriter-charts ipnb to cookbook
DOC: add 'pandas ecosystem' section to docs
Merge pull request #5829 from y-p/PR_ecosystem

DOC: add 'pandas ecosystem' section to docs
Merge pull request #5828 from y-p/PR_excel_plots_cookbook

DOC: add pandas-xlsxwriter-charts ipnb to cookbook
DOC: grammer
DOC: change doc refs to 0.13.1
DOC: Add example to extract docstring, and explain change to match more clearly
Merge pull request #5826 from danielballan/extract-docstring

DOC: Add example to extract docstring, and re-explain change to match.
BUG: Fix DatetimeIndex.insert() with non-datetimes.

Coerces to object Index instead.
COMPAT: allow string concats to datetimeindex only (int/float are invalid)
Merge pull request #5833 from jreback/release

DOC: change doc refs to 0.13.1
DOC: added tutorials.rst template