Feature: Player name is now customizable in the new game dialog.

Codechange: font:draw and font:drawWrapped now both return y and x end positions of the drawn string.
Fix: Cursor drawing for single-line textboxes with larger height than 20 was off.

git-svn-id: http://corsix-th.googlecode.com/svn/trunk@2003 c39591fa-788f-11de-a72b-d90af8dea425