Refactor string-to-integer conversions
Cleanups:
* Remove obsolete config variables
* Reduce coupling
* Use C++11 ownership containers
* Use auto when it makes sense
* Detect edge-case in unit tests
* Reduce the number of LedgerEntrySet public members
Add ledger cleaner documentation (RIPD-555)
[checkpoint] Testing out the functionality of the ws.
[checkpoint] Use new wallet class in ripple-lib
* Pending pull https://github.com/ripple/ripple-lib/pull/161
[checkpoint] Submit and process a transaction
[checkpoint] Simulate random transactions over time
[checkpoint] Ledger summary stats.
[checkpoint] Don't output the full ledger.
[checkpoint] Need a newer version of ripple-lib
* Force exit on server disconnect.