This fixes `_setup_profiling_us` would be overwritten in later `result` assignment.

Adding hello world example, #2008

Usability

Usability Enhancements of Cleos

Enhance ABI generator

Fixed docker compose builder issues

- account history now prints human friendly actions
- transaction trace result is now pretty printed with console
- added options to toggle json dumps of queries

- use fc::app_dir() for platform-independent standard config and data
dir support
- no longer rely on EOSIO_DIR environment variable #2007
- enable short hand for setting contracts/abi by listing contract folder
    ./cleos set contract eosio.token ../../contracts/eosio.token

- fix account history plugin so that it works during replay
- disbled nodeos tests which are broken due to this change in nodes api

Add delay_sec to transaction header + declare cpu usage for full transaction

Make same change as PR #1719 which can't be merged now because author…

Add permission api

issue #1891

Add expiration to txn_test_gen_plugin txns

(appbase sync) When a plugin throws during startup, cleanup

Eosio build fedora

prune remove empty cycles shards

EOSIO build dynamic CMAKE_BUILD_TYPE. Address issue #1949

Merging master into eosio_build_fedora before PR

Added better exception handling for wasm serialization