CC-1960: Internationalize Airtime / Support translations

-added gettext wrapper function to all strings missing it
-i18n of jquery timepicker and datepicker
-i18n of jquery datatables columnFilter input place holder labels

airtime_mvc/application/forms/GeneralPreferences.php

@@ -45,8 +45,8 @@ class Application_Form_GeneralPreferences extends Zend_Form_SubForm
         $third_party_api = new Zend_Form_Element_Radio('thirdPartyApi');
         $third_party_api->setLabel(
             sprintf(_('Allow Remote Websites To Access "Schedule" Info?%s (Enable this to make front-end widgets work.'), '<br>'));
-        $third_party_api->setMultiOptions(array("Disabled",
-                                            "Enabled"));
+        $third_party_api->setMultiOptions(array(_("Disabled"),
+                                            _("Enabled")));
         $third_party_api->setValue(Application_Model_Preference::GetAllow3rdPartyApi());
         $third_party_api->setDecorators(array('ViewHelper'));
         $this->addElement($third_party_api);
@@ -105,13 +105,13 @@ class Application_Form_GeneralPreferences extends Zend_Form_SubForm
     private function getWeekStartDays()
     {
         $days = array(
-            'Sunday',
-            'Monday',
-            'Tuesday',
-            'Wednesday',
-            'Thursday',
-            'Friday',
-            'Saturday'
+            _('Sunday'),
+            _('Monday'),
+            _('Tuesday'),
+            _('Wednesday'),
+            _('Thursday'),
+            _('Friday'),
+            _('Saturday')
         );
 
         return $days;
@@ -120,7 +120,7 @@ class Application_Form_GeneralPreferences extends Zend_Form_SubForm
     private function getLocales()
     {
         $locales = array(
-            'en_CA' => 'English'
+            'en_CA' => _('English')
         );
         
         return $locales;