More detailed mods/README
update README
Merge branch '00' into 00-version
Merge branch '00' into 00-admin
Merge branch '00' into 00-copyright
Merge branch '00' into 00-future
Merge branch '00' into 00-news
Merge branch '00-admin' into 01
Merge branch '00-copyright' into 01
Merge branch '00-future' into 01
Merge branch '00-news' into 01
Merge branch '00-version' into 01
Merge branch '01' into 01-testing
add pqR notice for refman
Merge branch '00-admin' into 01-testing
tolerate failure of xz compression (may be due to memory limit)