Elements 0.18 RC 1

RC2 for elements 0.17

elements-0.17.0.1 RC1

Minor fixes release

Final release

RC3 with blech32 checksum fixes

RC2 with more bugfixing

Elements 0.17 RC1 release:

Rebased Elements codebase onto Bitcoin Core 0.17 + bugfixing/QA

Elements release with peg-in overhaul, peg-in segwit support for watc…

…hmen, and much more