v3.9.1rc1 release

Merge point

v3.1.1 release

build,doc: create manpage for nginx

build: update ChangeLog and set release to 1.0.4rc

v3.1.0 release

Low: remove irrelevant changes from the changelog

Dev: build: set version to 1.0.3, release to 0rc1

build: add ChangeLog to the package documentation

Dev: build: output documentation directory from configure (LF 2276)