CRM-13689 fix - Print Case Report button (from Manage Case) throws a set of fatal errors in WordPress, but NOT in Drupal

http://issues.civicrm.org/jira/browse/CRM-13689
Merge pull request #1889 from monishdeb/CRM-13689

Crm 13689 fix - Print Case Report button (from Manage Case) throws a set of fatal errors in WordPress, but NOT in Drupal
CRM-13669 - Upgrade sql - Add literal tags
CRM-12578 - Add configuration to disable civicrm.css. Deprecate extras.css.
CRM-12578 - Move setting from url to core to avoid url encoding. Fix naming of url settings.
CRM-12578 - sql - run regen.sh
CRM-12578 - Template cleanup
CRM-12578 - Upgrade - Preserve old css override behavior