Test with a password that includes characters which break window.btoa. Hebrew will do.  (Testing just latin characters wasn't enough.)
Test with a password that includes characters which break window.btoa.
Hebrew will do.  (Testing just latin characters wasn't enough.)

Also, restructure the AccountModel tests to initialize spiderOakApp, so the
AccountModel tests can be run without the other.  (Eg, via:
   ./node_modules/.bin/mocha-phantomjs www/tests/index.html?grep=AccountModel
).

antoniodesouza/SpiderOakMobileClient,SpiderOak/SpiderOakMobileClient,antoniodesouza/SpiderOakMobileClient,SpiderOak/SpiderOakMobileClient