[FIX] website.theme: need to convert xmlids into ids for write and reload theme
[FIX] website.theme: input are always checked for data with empty xmlid
Merge pull request #2317 from odoo-dev/master-fix-theme-chm

[FIX] website.theme: need to convert xmlids; input are always checked
Merge branch 'master' of https://github.com/odoo/odoo into master-linux64