Version 1.0

Previous version in git was 0.1, but version 0.2 was available on
www.mediawiki.org/wiki/Extension:HSTS

- no feature added since 0.2, but more comments, wrapped in a class
- from 0.1 to 0.2: two news config parameters to permit to sysadmins
  to force HSTS to anons and/or to users

Change-Id: I4d972e944a420cb78e48b1449dd9d8f554322bb4