remove unnecessary library association
skip authenticate before action on comments#index
use commentable instead of library in template
add commentable fixture to comment factory
update test
make things more beautiful (move library details to details div)
remove brakeman warning for constantizing param values
move Comment.new command to controller to preserve error messages
refactor library_comments to commentable_comments
move library elements to details div
make index action on comments independent of commentable type
display destroy link only if there's a comment to destroy
make library partial use new commentable_comments partial
remove test for flash message as there is no more flesh
remove reference to library reference in factory calls
add commentshelper to list of helper methods in test/support
remove reference to library in generic index.js.erb for comments
brakeman security madness, yaar