Merge pull request #98 from vikramrajkumar/master

Minor cleanup
removing qt_wallet submodule
untested implementation of submit_proposal and vote_proposal RPC methods
Merge branch 'master' of https://github.com/BitShares/bitshares_toolkit
Fully remove qt_wallet submodule
Update fc submodule
blockchain_tests.cpp is old, unused code, remove from repo
implement random number generation into block production
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
fix bugs
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Add override keyword
Ignore dirty submodules for now
Restore genesis.dat symlink
delegate selection order is now random
Improve wallet file and password handling in CLI (fixes #29)
Merge branch 'master' of github.com:BitShares/bitshares_toolkit