Merge pull request #133 from ripple/develop

Track unfunded orders in the orderbook
Merge pull request #135 from ripple/develop

Prepare release 0.8.0
[TASK] bump version to 0.8.0-beta
Merge pull request #139 from ripple/develop

Update unfunded order tracking
Merge pull request #141 from ripple/develop

Update unfunded order tracking
Merge pull request #143 from ripple/develop

Update unfunded order tracking
Merge pull request #145 from ripple/develop

Update unfunded order tracking
Merge pull request #147 from ripple/develop

Update unfunded order tracking - fix native/non-native currency discrepancies
Merge pull request #153 from ripple/develop

Unfunded orderbook update, add option for disallowing partial server history
Merge pull request #155 from ripple/develop

Update documentation, fix owner_funds not updated in orderbook
Merge branch 'release' into develop