CRM-12503
Merge pull request #673 from eileenmcnaughton/4.3

CRM-12550 avoid extraneous log_civicrm_email entries
CRM-12549 - Restore upgrade message

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* CRM-12549: Upgrade isn't displaying $message on success.tpl
  http://issues.civicrm.org/jira/browse/CRM-12549
CRM_Core_Sessio - Doc tweak
Merge pull request #674 from totten/upgrade-messages

CRM-12549 - Restore upgrade message
CRM-12558

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* CRM-12558: Ensure CRM/Utils/DeprecatedUtils.php is required
  http://issues.civicrm.org/jira/browse/CRM-12558
CRM-12557 - ACL users cannot see removed , pending groups on contact summary tab
Merge pull request #675 from dlobo/CRM-12558

CRM-12558
Add back in the NONE option for additional participant profile bottom slots. The option to NOT have a second profile for additional participants was lost in a regression between 4.1 and 4.2.
CRM-12558

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* CRM-12558: Ensure CRM/Utils/DeprecatedUtils.php is required
  http://issues.civicrm.org/jira/browse/CRM-12558
Merge pull request #683 from dlobo/CRM-12558

CRM-12558
Merge pull request #679 from davecivicrm/CRM-12397

Add back in the NONE option for additional participant profile bottom sl...
Merge pull request #670 from pratik-joshi/CRM-12503

CRM-12503
removed obsolete code that tried to create duplicate assignee contacts, CRM-12512
Merge pull request #685 from kurund/CRM-12512

removed obsolete code that tried to create duplicate assignee contacts, ...
mk-drupal-test-site - Write outgoing mails to /dev/null
HttpClient - Fix bad return format
Merge pull request #687 from totten/http-array-error

HttpClient - Fix bad return format
Look before leaping when flushing pseudoconstants CRM-12471
Merge pull request #688 from colemanw/CRM-12471

Look before leaping when flushing pseudoconstants CRM-12471