added cron column to event and added birthday event

CRM/Civirules/DAO/Event.php

@@ -54,6 +54,10 @@ class CRM_Civirules_DAO_Event extends CRM_Core_DAO {
           'type' => CRM_Utils_Type::T_STRING,
           'maxlength' => 45
         ),
+        'cron' => array(
+          'name' => 'cron',
+          'type' => CRM_Utils_Type::T_INT
+        ),
         'class_name' => array(
           'name' => 'class_name',
           'type' => CRM_Utils_Type::T_STRING,
@@ -98,6 +102,7 @@ class CRM_Civirules_DAO_Event extends CRM_Core_DAO {
         'label' => 'label',
         'object_name' => 'object_name',
         'op' => 'op',
+        'cron' => 'cron',
         'class_name' => 'class_name',
         'is_active' => 'is_active',
         'created_date' => 'created_date',

sql/createCiviruleEvent.sql

@@ -4,6 +4,7 @@ CREATE TABLE IF NOT EXISTS civirule_event (
   label VARCHAR(128) NULL,
   object_name VARCHAR(45) NULL,
   op VARCHAR(45) NULL,
+  cron TINYINT NULL DEFAULT 0,
   class_name VARCHAR(128) NULL,
   is_active TINYINT NULL DEFAULT 1,
   created_date DATE NULL,

sql/insertCiviruleEvent.sql

 INSERT INTO civirule_event (name, label, object_name, op, class_name, created_date, created_user_id)
 VALUES
-  ('new_activity', 'Activity is is added', 'Activity', 'create', null,  CURDATE(), 1),
+  ('new_activity', 'Activity is added', 'Activity', 'create', null,  CURDATE(), 1),
   ('changed_activity', 'Activity is changed', 'Activity', 'edit', null, CURDATE(), 1),
   ('deleted_activity', 'Activity is deleted', 'Activity', 'delete', null, CURDATE(), 1),
   ('new_address', 'Address is added', 'Address', 'create', null,  CURDATE(), 1),
@@ -83,4 +83,7 @@ VALUES
   ('deleted_relationship', 'Relationship is deleted', 'Relationship', 'delete', null, CURDATE(), 1),
   ('new_tag', 'Tag is added', 'Tag', 'create', null,  CURDATE(), 1),
   ('changed_tag', 'Tag is changed', 'Tag', 'edit', null, CURDATE(), 1),
-  ('deleted_tag', 'Tag is deleted', 'Tag', 'delete', null, CURDATE(), 1);
\ No newline at end of file
+  ('deleted_tag', 'Tag is deleted', 'Tag', 'delete', null, CURDATE(), 1);
+
+INSERT INTO civirule_event (name, label, object_name, op, cron, class_name, created_date, created_user_id)
+VALUES  ('birthday', 'Individual has birthday', null, null, 1, null,  CURDATE(), 1);