[misc] Upgrade icons usage to the new FontAwesome version
[misc] Upgrade icons usage to the new FontAwesome version

phenotips/patient-network,veronikaslc/patient-network,veronikaslc/patient-network,phenotips/patient-network,mjshepherd/patient-network,phenotips/patient-network,mjshepherd/patient-network,mjshepherd/patient-network,phenotips/patient-network