[IMP] improved sync service with flag check for updating and removing data from server and local, added state for selecting functional value when syncing data
Merge branch 'master' of https://github.com/Odoo-mobile/framework into messaging-v2

Conflicts:
	res/layout/fragment_library.xml
Merge branch 'messaging-v2' of https://github.com/Odoo-mobile/messaging into master-messaging-v2-dpr
[IMP] improved syncing data flag for relational data syncing
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 model with flag for better performance