added basic layout
created models and views wallets, transactions and addresses
better errors and bitcoin-ruby as gem dependencies added
added partials
model relations fixed
Merge branch 'development' of https://github.com/RailsWeek2014/RubyCoinr into development

Conflicts:
	app/views/layouts/application.html.erb
fixed addresses

wallets have only one address atm, not multiple
reworked wallet model with keypair

+ keypair now has a field for an image
+ generates sag of qr code of address at creation
+ view now displays collapsable qr code
added rqrcode_to_svg