Add 3.2 release date to changelog

release 3.1.1

Merge branch 'master' of github.com:getpelican/pelican

prepare 3.0.1 release

Fix silly mistakes in last doc update

bug fix release for fixing getpelican#221

Merge branch 'master' of github.com:ametaireau/pelican

bump version number

Bump minor version

bump 2.7.0