Added algorigthm to retry in case of bad network connection
Added algorigthm to retry in case of bad network connection

indirectlylit/kolibri,learningequality/kolibri,learningequality/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,learningequality/kolibri,learningequality/kolibri