Change go dep to go mod

Merge pull request CovenantSQL#359 from CovenantSQL/feature/adapter

CQL-Proxy And CQL-ETH-Bridge

Fix sqlchain head block timestamp inaccurate bug (CovenantSQL#355)

Merge pull request CovenantSQL#334 from CovenantSQL/bugfix/log

Fix incorrect log condition

Remove bin/cql-utils in release pkg

Merge pull request CovenantSQL#264 from CovenantSQL/feature/promote_beta

Promote beta branch

Merge remote-tracking branch 'origin/develop' into beta

Merge pull request CovenantSQL#193 from CovenantSQL/bugfix/GNTEconfig

Update GNTE config

Merge pull request CovenantSQL#171 from CovenantSQL/bugfix/testConfig

Change test config IsTestMode to true.

Fix smux link in README