Modify lookup.el configurations

Conflicts:

	.emacs/package_configs/init_lookup.el

Conflicts:

	.emacs/package_configs/init_ndeb.el
Update my autoload file
Apply multiple mail addresses
Add comments
Add a function to see diff on specified buffer
Move
Update my/lookup function
Move
Delete needless function
Rename
Add autoload function for festival
Delete obsolete function
Add autoload to use my/festival command
Add my/festival function
Update mine's configurations
Update el-get status(festival)
Update el-get status(lookup)
Add a advice to head pronunciation
Apply diff face if it was needed
Override gnus's keybind