Update info.js

info.js alerts now and shakes the div
Create provisional login process

login.js sends input data to the server (for now very simple)
Add misc.js (provisional)

misc.js for now only checks if a string is an email address
Update registration.js

- empty inputs now make the div shake
- add missing semicolon
- moved method checkIfEmailInString(text) to misc.js
Add new method call to startscript.js

method start() now invokes set_welcome_keypress_listeners()
Update welcome.js

- divs are now exchanged correctly
- add login button click
- add keypress listeners
Rename index.css to welcome.css

welcome.css will only act as stylesheet for the welcome page
Update people.js

- better log message
- improved stability
- added login capability
Update index.js
Fix stylesheet import

- now imports welcome.css instead of index.css