Display Chi-Square and p-Value in MxSummary

Chi-Square and it's p-Value should be displayed in the model summary. Attached is a small patch to fix this.

BTW: Please allow diff or patch files to be uploaded.

.diff allowed; thanks Michael.

Is there another file ending people use for diffs?

Committed in revision 729. Thanks for the patch!

Automatically closed -- issue fixed for 2 weeks with no activity.