[ADD] document_page from odoo/7.0
[FIX] PEP8 errors in Odoo code only
use new API
removed unused modules and view, see.: 7.0 branch on launchpad - http://bazaar.launchpad.net/~openerp/openobject-addons/7.0/files/head:/document_page/
use new API
minor formatting issues
use new API
fix test
change travis conf
removed unused SUPERUSER_ID
Merge pull request #24 from abstract-open-solutions/8.0-document_page

document_page porting to odoo 8.0