added ring-mock: for testing the routes
added kerodon: for integration/interaction tests
upgraded lein-midje to solve issue when running lein midje
added pre-commit hook, so to use it do: cd .git; ln -s ../git-files/hooks .
fixed pre-commit hook which was continuing executing other commands even after user canceled with ctrl+c
added script/test
removed dummy tests from bitdigger.test.db which were causing error when running `with-env lein midje`