CRM-15481 fix - Scheduled Reminders job failure with event reminders

https://issues.civicrm.org/jira/browse/CRM-15481
Merge pull request #4416 from monishdeb/CRM-15481

CRM-15481 fix - Scheduled Reminders job failure with event reminders
Make 'civicrm menu hidden' alert less obtrusive
Merge pull request #4432 from colemanw/hideMenu

Make 'civicrm menu hidden' alert less obtrusive
version fixes
Merge pull request #4435 from yashodha/version-fix

version fixes
CRM-15107 - Fix slow group_contact count query on large dbs
Merge pull request #4436 from colemanw/CRM-15107

CRM-15107 - Fix slow group_contact count query on large dbs