Introduce new receive_address type to store memo and unspent_outputs for each receiving address in wallet.
Merge branch 'master' of https://github.com/BitShares/bitshares_toolkit

Conflicts:
	libraries/cli/cli.cpp
attempt to fix compile error with gcc
Add blockchain unit test to test whether receive addresses are working
(trying to isolate a bug detected in bts_xt_client_tests)
add dummy name_show
merge from upstream/master