Creates a bank account with an opening depsoti.
Adds the ability to accept deposits
Adds the ability to withdraw funds from my account up to my current balance.
Adds the ability to accrue interest according to current rates
Inits jasmine environment
Adds jasmine-headless-webkit cache to the gitignore file.
Minor clean up.
Merge branch 'master' of github.com:jeremyjarrell/js-unit-testing