[IMP] added attachment handler
Merge branch 'master' of https://github.com/Odoo-mobile/framework into messaging-v2
Merge branch 'messaging-v2' of https://github.com/Odoo-mobile/messaging into master-messaging-v2-dpr
[IMP] improved media read permission for kitkat
Merge branch 'master' of https://github.com/Odoo-mobile/framework into messaging-v2
Merge branch 'messaging-v2' of https://github.com/Odoo-mobile/messaging into master-messaging-v2-dpr
[IMP] improved attachment uploader