MAINT: Fix overflow field-name cells in docs.
MAINT: Be more judicious about whitespace in parameters, etc.
MAINT: Update notebooks CSS
Merge pull request #1468 from jseabold/css-fixes

MAINT: CSS fixes
DOC: Fix bad links.
Merge pull request #1469 from jseabold/fix-json-links

DOC: Fix bad links
DOC/BLD: Log errors in executed cells.
DOC/BLD: Add make notebook
Merge pull request #1470 from jseabold/nbgenerate-exceptions

DOC/BLD: Log code exceptions from nbgenerate
DOC: Fix import
Merge pull request #1471 from jseabold/fix-example-import

DOC: Fix import
DOC: Better header.
DOC: Add plots to the filters docs.
Merge pull request #1474 from jseabold/filter-plots

DOC: Add plots for standard filter methods.
ENH: Add weekly co2 dataset
DOC: Add new co2 dataset to release notes
Merge pull request #1481 from jseabold/co2-data

ENH: Add weekly co2 dataset
REF: Prefer filters.api to __init__
Merge pull request #1482 from jseabold/filter-api

REF: Prefer filters.api to __init__
ENH: Add freq_to_period function