Tagging release version 'v4.0.0.20200810181826'

Tagging release version 'v3.2.0.20190425105942'

Tagging release version 'v3.1.0.201611081247'

Tagging release version 'v3.0.0.201610130908'

Tagging release version 'v2.4.0.201610061317'

Tagging release version 'v2.3.1.201607271611'

Bump version to 2.3.0-SNAPSHOT

Tagging new release of rtemplate

Tagging rtemaplte 2.1.1 release including:

- Tracking bug fix (Tracking settings was not consideered)
- Using CharSequene instead of String on TemplateState API

Tagging release v2.1.0