Bug 173689 - Default comments search box type to "contains string". Patch by gerv; r,a=justdave.

defparams.pl

@@ -461,7 +461,7 @@ You will get this message once a day until you\'ve dealt with these bugs!
            'submit a bug.  It\'s in URL parameter format, which makes it ' .
            'hard to read.  Sorry!',
    type => 't',
-   default => 'bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&emailassigned_to1=1&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailqa_contact2=1&order=%22Importance%22'
+   default => 'bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&emailassigned_to1=1&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailqa_contact2=1&order=Importance&long_desc_type=substring'
   },
 
   {