v2.12.0-rc2

Upgrade block height: 101320000

Following features will active at the upgrade height

1. Dex: add Market Order. (#598)
2. The pending orders over a month will no longer be cancelled automatically. (#598)
3. FundContract: add Transfer method so as to directly transfer tokens from one address to another.(#598)

SHA256(gvite-v2.12.0-rc2-darwin.tar.gz)= f6f5872f69b57922190e58c25654ca0a9bfcd1a008435c2f8c65032a0914de7b
SHA256(gvite-v2.12.0-rc2-linux.tar.gz)= c2f974f5fd43b5ac3c4acc6a1ee5cbbfa74fed6a925ff13a5fe88cf65e19d43b
SHA256(gvite-v2.12.0-rc2-linux-arm64.tar.gz)= 7b7c134747a299b8525ae7e74839b383fd5fcb5871125673c5ddb575a6e79180
SHA256(gvite-v2.12.0-rc2-windows.tar.gz)= c32e37a1ee488d468618da662ce57ea8840c47581b4b137bf65be3e91884fe40