[IMP] im_chat, im_livechat : add reporting view, quit conversation, option dropdown menu, feedback for live support, better access rules and shortcode model.
[CLEAN] website_event: migrate models to the new API + some code cleaning.

Updated some code in website_event_track, inheritance with new API.

Controllers need a major cleaning, but, hey, they are too creepy.
[ADD]Added radio button in backup view to select format and passed format in dump_db for db export.

[REV]Revert code for format.

[IMP]Improve code to set filestore checked if zip format for cr.

[IMP]used **kwargs insteadof **kargs and add ext argument for extension of zip file.

[IMP]Added title for zip and binary label