gwt-time 1.4.12 (2.0.0 for GWT 2.9.0)

Enhancements

• Support GWT 2.9.0 version: 2.0.0 line, fix #3
• Merge with latest updates from the original project
  • Update TZDB to 2020b
  • Parse fixed offsets as per JDK
  • Fix Javadoc mistake: Change "quarters" -> "months"

Bugfixes

• N/A

Notes

• GWT 2.8.2 compatible release. This release is the same as https://github.com/foal/gwt-time/releases/tag/v2.0.0