Move payment calculations from onblock to claimrewards 

Use s3 bucket to publish coverage reports [skip-ci]

Major changes to check_authorization and permission_api (delay_tests now working)

Generate .wasm files alongside .wast

Gh#2769 keosd

Add support for new setprods fromat to launcher

 Revert validator plugin, fix for poor handling of blocks from the future.

This partially reverts EOSIO/eos#2750 in favor of always loading the producer_plugin again.  Fix for 85b2948e did not link the default plugin properly.  Also check to make sure that we have not received a block from the future when we attempt to start the next block which is the last symptom before whatever caused the crash in EOSIO/eos#2803

cleos support different token precision #2807

Also:
* Disallow executing a proposed transaction if it has expired.
* Correct bug with return value of check_authorization (provided_delay
should not be considered in max_delay).
* Check expiration, TaPoS, and valid referenced accounts prior to other
transaction_context initializations (primarily to get more meaningful
error messages).

Producer pay