Use override keyword when overriding virtual functions
updating fc submodule to fix json bugs
updating rpc api for creating receive and sending accounts
Update fc submodule
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Update rpc api to use extended_address to seralize

fixed bug in extended address parsing
Silence a compile warning on 32-bit builds
Work on getting unit tests back to compiling, still not functioning
Silence compiler warnings
Fix chain_database_impl::clear_pending (#70)
Update fc submodule
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Merge pull request #72 from vikramrajkumar/master

Fix #70
Add some newlines for readability
Fix compiler warnings
More progress towards working unit tests: bts_xt_client launches and creates wallets before it stops behaving.
Restore wallet automatic relocking functionality & fix test for same
update fc revision
fix / rename rpc calls