manage libraries via Cask

add htmlize package
change on org-mode

1. remove publish-project list
2. add <f9> f o for open a temporary org file
3. add few functions to solve the conflicts between rainbow-deliminater
and htmlize
final version of Jekyll
experiment babel library function
add auctex package under list/ folder
disable rainbow-deliminator,

it conflicts with htmlise package, resulting in no code highlights in
exported html file.
remove Emacs backup file
use README.org instead of markdown