github migration: add travis, coverage, gitignore, licence and readme
mark unported module as uninstallable
add  CI config
use __unported__ directory instead of _unported suffix
Merge branch '7.0' into 8.0

Conflicts:
	.travis.yml
	README.md
	__unported__/stock_cancel/__openerp__.py
Merge branch '7.0' into 8.0

Conflicts:
	.travis.yml
merge from 7.0