[IMP] improved OField view click from OList control
[IMP] added attachment download support
[IMP] updated flow of sync service for hadling relational data
Merge branch 'master' into master-framework-sync-model-dso
Merge branch 'master-framework-sync-model-dso'
[IMP] improved logger and attachment
Merge branch 'master' of https://github.com/Odoo-mobile/framework into master-framework-cursor-loader-dpr