MAINT: Update mailmap.
SQUASHME: Update release notes.
MAINT: Workaround for existing OAuth not in keyring.
MAINT: Deal with unicode.
MAINT: Update release notes with gh-stats
DOC: Use idiomatic statsmodels.
DOC: Updates to release notes.
Merge pull request #2045 from jseabold/whatsnew-0.6

DOC: Release notes for 0.6.