teacher done and question 1
Merge pull request #20 from yenbryan/peterdev

peter merge
merged with developer
Merge pull request #21 from yenbryan/adamdev

Adam merge
Merge pull request #22 from yenbryan/peterdev

index accordion
sub slide commmands
added sub slide command
Merge pull request #23 from yenbryan/dev-bryan

Dev bryan
fixed accordion