Update-corner

[malsubmal]

status: full functions. no linking between functions. database not tested. ci doesn't check browser.

to do:

• add login-to-register function - Đạt
• add login-to-calculator function - Kuerl
• test db-register - the db trio
• test db-login - the db trio
• test login-calculator - việt
• add styling to calculator - 😢 good old me

[malsubmal]

add files to public folder and connect the folder to node
in app.js:
app.use(express.static(path.join(__dirname, 'public')));
in router/user.js:

router.get('/', (req, res) => {
    res.sendFile(path.join(__dirname, '..', 'public/webcalc.html'));
});

[malsubmal]

SHELVED - not doing this anymore 💯
SHELVED - reverted to earlier version exit 0

tweak .travis.yml

install:
  - "npm install"
language: node_js
node_js: 
  - "7"
script: 
  - "node app.js"
services: 
  - mongodb

need to add node modules to cache and headless browser test