Rename *-(sub)categories to *-categories-table
Rename *-(sub)categories to *-categories-table

This is a better reflection of what the variable represents

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