#1329, dawn 567, really including support for passing block summaries rather than full blocks between p2p nodes.

#1329, dawn-567, bring back subsequent work done on the dawn 2.x branch, and add support for packed messages. block summary support to follow.

Test script fixes for mac - stat613

Add Jenkinsfile, build dependencies with max jobs.

Make the help text clear that the owner and active keys are for the new account

Fix boost library link ordering

Unit tests for new db API's

boost filesystem uses boost system. Set the link order accordingly. Fixes boost 1.66 linkage on Linux with ld.

Eosio build

Dawn 588 mongodb update

eosio.system del net bandwidth impl

- fix bug with eosiolib/multi_index update

Missing dependencies on identity test contract

libc/libcxx were not listed as dependencies on the identity test contract making highly parallel builds fail if it queued up that test before finishing the base contracts

feat(scope): Scope was missing from the api for single index tables.

Stltest cleanup

Progress on Multi-Index API

Merging gregs changes to readme.md

Merging changes from greg to readme.md