fix a bug where the bill is not split evenly
add some tests
round all non-integer to two demical places
Update stuff
Merge pull request #315 from Wizecoder/e2e-tests

Update one thing
Show build status in README.md
finish tests
resolve conflict
Update chores.spec.js
Merge pull request #316 from samzhao88/bills

Finished bills, fixes #264
Bump package.json version
Update bower.json version number
Merge branch 'develop' of https://github.com/Agreemates/agreemates into remove-calendar2