fix(ng/$locale): add ERA info in generic locale

This change also updates the closure i18n converter to pull in the ERA
info for generated locale files.

Author: petebacondarwin

i18n/spec/closureI18nExtractorSpec.js

@@ -185,6 +185,8 @@ describe("extractDateTimeSymbols", function() {
                   DAY: ['dimanche', 'lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi'],
                   SHORTDAY: ['dim.', 'lun.', 'mar.', 'mer.', 'jeu.', 'ven.', 'sam.'],
                   AMPMS: ['AM', 'PM'],
+                  ERAS: ['av. J.-C.', 'ap. J.-C.'],
+                  ERANAMES: ['avant Jésus-Christ', 'après Jésus-Christ'],
                   medium: 'yyyy-MM-dd HH:mm:ss',
                   short: 'yy-MM-dd HH:mm',
                   fullDate: 'EEEE d MMMM y',

i18n/src/converter.js

@@ -42,6 +42,8 @@ function convertDatetimeData(dataObj) {
   datetimeFormats.DAY = dataObj.WEEKDAYS;
   datetimeFormats.SHORTDAY = dataObj.SHORTWEEKDAYS;
   datetimeFormats.AMPMS = dataObj.AMPMS;
+  datetimeFormats.ERAS = dataObj.ERAS;
+  datetimeFormats.ERANAMES = dataObj.ERANAMES;
 
 
   datetimeFormats.medium      = dataObj.DATEFORMATS[2] + ' ' + dataObj.TIMEFORMATS[2];

src/ng/locale.js

@@ -59,7 +59,15 @@ function $LocaleProvider() {
         mediumDate: 'MMM d, y',
         shortDate: 'M/d/yy',
         mediumTime: 'h:mm:ss a',
-        shortTime: 'h:mm a'
+        shortTime: 'h:mm a',
+        ERANAMES: [
+          "Before Christ",
+          "Anno Domini"
+        ],
+        ERAS: [
+          "BC",
+          "AD"
+        ]
       },
 
       pluralCat: function(num) {