Merge pull request #6 from ripple/develop

exchange rate via rippled and issuer cap fix
Merge pull request #7 from ripple/develop

reenable cache on issuer capitalization
checking diff
fixed styling and cleaned up some code
styling
more styling
edited examples and readme for new exchangerates
some changes to readme
Merge pull request #8 from vahaknp/develop

Ripple Labs style guide styling
add markets to trade volume aggregate
add markets to trade volume aggregate
move the max cache time to 15 minutes before current time
fix bug with multi-day image cacheing
update totalNetworkValue and totalValueSent
prevent cacheing of most recent 4 hrs
Merge branch 'develop'
fix bug with offersExercised cache
update gateways list
stability improvements
revert 'if _header'