improve 'haskell-open-doc command and add 'haskell-show-type-in-minibuffer.
add some path to exex-paths.
add command 'past-from-os-x.'
add command 'org-open-help.'
add settings of ever-mode.
change settings of view on Cocoa Emacs.
turn of haskell-doc-mode.
add ProofGeneral-4.2.
add current trial.el