* Move generate_only and simulate to POST body in REST txs
Closes: #3056
* Run make format
* drop extra else block, outdent its block, and make linter happy
* Update PENDING.md
* Update LCD swagger docs
* Move query and tx commands to modules
* Move GetAccountDecoder to prevent import cycle and replace calls to it with one call in WithAccountDecoder
* Add moduleClients interface and implement in all applicable modules
* Use module clients in cli initialization