ELPA installation

* elisp/traad.el:
	- update  Copyright
	- add Package-Requires
	- add footer line
	- untabify

* elisp/autocomplete/traad-autocomplete.el:
	- change underscore to hyphen
	- add file header
	- add footer line
	- add autoload cookie
	- untabify
Merge pull request #55 from yasuyk/elpa

ELPA installation