User

My changes mainly related to the appearance and cleaning code. Also i used tooltips.

See screenshots, comment, diff

**AFTER**
![reg_form_old](https://f.cloud.github.com/assets/1256298/297315/b9cfed82-9532-11e2-9278-af2fb4eaee7e.png)


**BEFORE**
![reg_form](https://f.cloud.github.com/assets/1256298/297316/bfb202d0-9532-11e2-8d7b-4f022b739106.png)