Cleanup account op validation logic for easier reading
Merge branch 'develop' of github.com:BitShares/bitshares into develop
Update submodules
Fix margin call on expired position.

The while loop was supposed to iterate over all cover positions looking
for expired orders to force them to cover. This is not the most
effecient approach, but it will work.
Add hardfork warning
Move balance_record impl to its own file
modify dns sharedrop
Merge branch 'develop' of https://github.com/BitShares/bitshares into develop
Cleanup update feed op validation for easier reading
Remove some merge warnings
fix sharedrop again
Merge branch 'develop' of https://github.com/BitShares/bitshares into develop
sharedrop candidate
new testnet
Add wallet_check_sharedrop
Merge branch 'develop' of github.com:BitShares/bitshares into develop
Fix sharedrop genesis loading
Fix wallet_check_sharedrop
genesis sharedrop candidate
Remove merge warnings