add space between fields in password setting

[rlecellier]

From registration mail, the fields to set the password are sticked. A small space between them would be nice.

[vincentfretin]

You're right! And a sentence explaining what to do would be nice: "Please choose a password to confirm your subscription".

[vincentfretin]

The sentence was added in 9201aed
We still need to add some space between the two input.