v2.0.0-rc1

Changes since v2.0.0-beta2:

• Added administrative areas for 8 countries:
  Barbados (BB), Micronesia (FM), Honduras (HN), Kiribati (KI), Panama (PA),
  Papua New Guinea (PG), Seychelles (SC), United States Minor Outlying Islands (UM).
• Renamed VE-X from Vargas to La Guaira.
• Removed the administrative area field from AS, MP, VI.
  These are islands and the format was copied from from the parent US one.
• Removed the administrative area field from CC, CX, HM, NF.
  These are islands and the format was copied from from the parent AU one.
• Use 'region' instead of 'oblast' as the administrative area type for BY/UA/RU.
  All three countries use 'region' when referring to oblasts in English.