Updated and added files for PG12 AGE release to 1.1.1

    modified:   NOTICE
    modified:   RELEASE
    new file:   age--1.1.0--1.1.1.sql

Updated files for PG12 AGE release to 1.1.1

    modified:   Makefile
    modified:   README.md
    modified:   RELEASE
    renamed:    age--1.1.0.sql -> age--1.1.1.sql
    modified:   age.control

Updated files for PG11 AGE release to 1.2.0

    modified:   Makefile
    modified:   README.md
    modified:   RELEASE
    renamed:    age--1.1.0.sql -> age--1.2.0.sql
    modified:   age.control

Update files for release

Updated the README and RELEASE files.

Update NOTICE

Updating copyright date in notice

Updates to 1.0.0

Merge branch 'master' of https://github.com/apache/incubator-age

Update NOTICE

Fixing the Copyright