fix: week number wasn't table-cell in table layout

Author: graste

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "datetime-local-picker",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "homepage": "https://github.com/graste/datetime-local-picker",
   "authors": [
     "Steffen Gransow <graste@mivesto.de>"

styles/_calendar_mixins.scss

@@ -59,6 +59,7 @@
         display: table-row;
     }
 
+    .calendar-week,
     .day {
         display: table-cell;
     }

styles/main.css

@@ -180,6 +180,7 @@ body {
     display: table-row-group; }
   .calendar .week {
     display: table-row; }
+  .calendar .calendar-week,
   .calendar .day {
     display: table-cell; }
   .calendar .day .min {
@@ -241,6 +242,7 @@ body {
     display: table-row-group; }
   .calendar--table .calendar .week {
     display: table-row; }
+  .calendar--table .calendar .calendar-week,
   .calendar--table .calendar .day {
     display: table-cell; }
   .calendar--table .calendar .day .min {