fix: position of favicon to be centered for better UX in datatables (#186)

Author: dquach217

app/assets/stylesheets/manage.sass

@@ -69,6 +69,8 @@ $grey-med: #999
 //     display: inline-block
 //     &:hover
 //       color: darken($grey-light, 5%)
+.center
+  text-align: center
 
 .land
   fill: #dadada

app/datatables/checkin_datatable.rb

@@ -14,7 +14,7 @@ def view_columns
   def about(record)
     output = ""
     output += [record.first_name, record.last_name].join(" ") + " "
-    output += '<span class="badge badge-warning"><i class="fa fa-exclamation-triangle icon-space-r"></i>Minor</span>' if record.minor?
+    output += '<span class="badge badge-warning"><i class="fa fa-exclamation-triangle"></i>Minor</span>' if record.minor?
     output += "<br /><small>" + record.school.name + "</small>"
     output.html_safe
   end

app/datatables/questionnaire_datatable.rb

@@ -26,8 +26,8 @@ def view_columns
 
   def note(record)
     output = ""
-    output += '<i class="fa fa-exclamation-triangle icon-space-r"></i> <small>Minor</small>' if record.minor?
-    output += '<i class="fa fa-bus icon-space-r" title="Riding bus"></i>' if record.bus_list_id?
+    output += '<i class="fa fa-exclamation-triangle"></i> <small>Minor</small>' if record.minor?
+    output += '<i class="fa fa-bus" title="Riding bus"></i>' if record.bus_list_id?
     output += "<small>Captain</small>" if record.is_bus_captain?
     output = '<div class="center">' + output + "</div>" if output.present?
     output.html_safe