yotam: changes to status stats update  functionality and ux

- activate update_status script on statuses loaded with endless pagination
- change pagination to be 5 statuses first load, and 10 each batch

- add fa-excalamation icon on failure to update (INCOMPLETE)
- rename class "hidden-updating-spinner" to "hidden-object", for generic usage
- remove unused attribute data-token from facebook status
yotam: status_update - fix bug that occurred when "shares" data is missing. add fa-exclamation icon on failure to update (FINISHED)
yotam: status_update - fix bug that occurred when "shares" data is missing. add fa-exclamation icon on failure to update (FINISHED)
yotam: member insights - rewrite js request from api as ajax request, error indicator, some extra fix-ups to update_status error handling code.
merge
Merge pull request #26 from yotammanor/newmodel

Error handling, ui and code improvement for update_status processes