Tweaks for new char menu

- Erase description of stats properly. It fixes this new-coming bug:
![artefact](https://f.cloud.github.com/assets/5421954/2062865/8ee4e5f0-8ca3-11e3-8ec7-677152b7bf9f.png)

- Shift addiction menu up to 1 line.
Fixes #5927, fixes #5907.