Release v1.1.8 (#614)

Release 1.1.7 hotfix (#606)

Release 1.1.7 (#599)

Release 1.1.6 (#583)

Release 1.1.5 (#566)

Release 1.1.4 (#555)

Release v1.1.3 (#535)

v1.1.2 (#462)

* [Update]: change the version numbers to 1.1.2

* [Doc]: update requirements-all.md

* [Doc]: Update ChangeLog, CHANGELOD.md and NEWS

* [Doc]: update ReleaseNote.md

* [Doc]: update changelogs

[Update]: update README.md and update-version.sh

Merge pull request #392 from yutaro-sakamoto/release/v1.1.0

Release v1.1.0