Upgrade to Unicode 11.0

[eyeplum]

Description

Update external data and all modules to Unicode 11.0. For changes in Unicode 11.0, see: https://www.unicode.org/versions/Unicode11.0.0/

Tasks

These tasks are roughly planned out according to changes in Unicode 11.0 and the potential impact of rust-unic's implementation.

Segmentation

• Implement new grapheme cluster breaking rules
  • Implement the new Extended_Pictographic property
  • Remove GB10 implementation
  • Implement the new GB11 rule
• Implement new word breaking rules

Emoji

• Add .rsv table for the new Extended_Pictographic property (other works are captured by UCD)

UCD

• [Optional] Implement the new Equivalent_Unified_Ideograph property

IDNA

• Update IDNA conformance test to the new format

Related Issues, Pull Requests, Forks

• #219
• #226
• eyeplum@6e88739

[behnam]

unicode-rs/unicode-segmentation#43 is tracking segmentation algorithm updates. I think we can keep the code in sync with unicode-segmentation, regardless of where we do the impl first.