AddressProperty route for /addr/[:addr]/property

eg /addr[:addr]/balance will return just the balance for the address.
This needs expanding but is a good basis upon which to expand.
AddressProperty for totalReceived
AddressProperty for totalSent
AddressProperty for unconfirmedBalance
Address Properties moved to addresses controller
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Merge pull request #55 from periodic1236/master

Sort block list by height
fix method name
Merge pull request #57 from matiu/bug/dependencies

fix method name
Merge pull request #28 from thedawnrider/addressProperties

Address properties
Fixed typo in readme
Merge pull request #58 from shesek/patch-2

Fixed typo in readme