Fix #2156 - replay fails due to access of non-consensus state

Read default eosio key from config.ini in addition to command line #2149

Doxygen update

Eosio build darwin check network response calls

Merging master prior to latest eosio_build_darwin PR

Fix for bad threshold on producers account

calculate the threshold for producer account authority based on the number of producers as 66% rounded up. fixes EOSIO/eos#2141

Add back in get_required_keys test

Quick fixes to multi_index bugs

Eosio build ubuntu network response checks

Enhancement: Better error message for set contract in cleos

Darwin: added network response checks to all curl and git calls. Also added --connect-timeout 30 to curl http calls

add back current_receiver intrinsic and use it to provide a quick fix to multi_index bug (until the better solution is implemented for RC2)

The multi_index bug was that attempts to use multi_index to create/modify/erase table rows of accounts other than the current receiver would not fail as it should and would instead likely unintentionally trample over data in the current receiver's tables.

Changes to transaction receipt and transaction_mroot

Typo in writing to db

Ubuntu: added network response checks for curl and git calls, added --connect-timeout 30 to all curl calls

specialized operators << >> for vector<char> #2118