Do not blow up - https://github.com/rails-api/rails-api/issues/33
Result of `rails g rspec:install`
Remove test directory
Fix submodule absolute path
Ignore vim swp files
Disable autorun (see https://github.com/burke/zeus/issues/241)
Create transactions syncer
Add calculator classes
Remove spec/testnet
Checkout testnet to v0.7.2