Title for login and incident forms´ fields

[CarlosGarciaHdez]

I'm submitting a...

[ ] Regression (a behavior that used to work and stopped working in a new release)
[ ] Bug report  
[ ] Feature request
[ ] Documentation issue or request

Current behavior

Fields in the forms only have placeholders and no titles

Expected behavior

What is the motivation / use case for changing the behavior?

Others:

[thewillyhuman]

I think this was already solved at #40 right?