Added rename/delete popups to the file and imageselect windows.

Redesigned the userpreference window layout. (not finished yet)

Enhanced the texteditor with; a rightmousemenu, clipboard text
support (for windows !) and the alt-m keystroke generates a 3d
text object. (up to 1000 characters)

(1, 2, 3, 4 and 7 from http://www.tncci.com/blender/feats.html)

source/blender/include/BIF_editfont.h

@@ -38,6 +38,9 @@ void make_editText(void);
 void load_editText(void);
 void remake_editText(void);
 void free_editText(void);
+void paste_editText(void);
+void txt_export_to_object(struct Text *text);
+
 /**
  * @attention The argument is discarded. It is there for
  * compatibility.