Git commits in Moodle 1.8.1 by ikawhero

commit c9bbb97a8df23ea10b6e1ad9417bb009471f7833
Author: ikawhero <ikawhero>
Date:   Thu, 19 Apr 2007 15:39:51 +0800
Tag:    v1.8.1

Fixed typo. Made constructor variables optional to reflect parent class


commit 13e0414d47f192a05a944b0284106174d8231335
Author: ikawhero <ikawhero>
Date:   Wed, 18 Apr 2007 10:08:50 +0800
Tag:    v1.8.1

Fix for MDL-9415 New method is_empty() added.


commit a352220a48a6a1ba651b56b9a072c3700b7b3808
Author: ikawhero <ikawhero>
Date:   Mon, 16 Apr 2007 10:45:50 +0800
Tag:    v1.8.1

Display custom profile fields in profile page - see MDL-9285 Menu type stores value rather than index - see comments on MDL-9285 General tidy up and renaming of functions in field class.