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
update version
Merge pull request #46 from matiu/feature/v0.1.7

update version
update dependencies versions
move DB out of insight directory
fix json
update version
move db path from /insight-api-db to /.insight
Merge pull request #48 from matiu/feature/v0.1.8

Feature/v0.1.8
update dependencies
Merge pull request #49 from matiu/bug/dependencies

update dependencies
Sort block list by height
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