Merge pull request #9591 from bashtage/rls-0-14-5-notes

Rls 0 14 5 notes

Merge pull request #9379 from bashtage/final-0-14-4

DOC: Fix version number

Merge pull request #9364 from statsmodels/0.14.3-rel-note

DOC: Spelling

Merge pull request #9213 from bashtage/rls-0.14.2-final

DOC: Final docs for 0.14.2

Merge pull request #9092 from bashtage/backport-0.14.1

Backport 0.14.1

DEV: Tag start of release 0.15

Merge pull request #8866 from bashtage/doc-admonitions

DOC: Add admonitions for changes and deprecations

Merge pull request #8839 from bashtage/sphinx-immaterial

DOC: Final changes for 0.14.0rc0 notes

Merge pull request #8501 from bashtage/final-docs-0.13.5

DOC: Add release notes for .4 and .5

Merge pull request #8492 from statsmodels/pins

MAINT: Refine pins