Merge pull request #20 from ziggyzaggy/master

attaching deattaching books is done, hell yeah
Merge pull request #21 from ziggyzaggy/master

woops
Merge pull request #22 from ziggyzaggy/master

admin components now check that admin is authenticated
Merge pull request #23 from ziggyzaggy/master

Admin controls only show if admin is logged in
Merge pull request #24 from ziggyzaggy/master

admin table
course-module detach/attach working
Reading list updated
reading by year should really work now