Sort files within a category
Sort files within a category

Now the list of files on the index pages are sorted.

perl6/perl6-examples,shlomif/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,perl6/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,perl6/perl6-examples,Quinny/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples