manually merging https://github.com/civicrm/civicrm-core/pull/802

Conflicts:
	CRM/Upgrade/Incremental/sql/4.3.4.mysql.tpl

CRM-12466, add configuration for displaying smart groups in Contact Summary > Groups tab

CRM-12510. There were no webtests for copying a contribution page or cop...

-- worked on CRM-12665

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* CRM-12665: Remove unwanted files in Grant
  http://issues.civicrm.org/jira/browse/CRM-12665

fix more php5.3 notices

CRM-12646

--fixed for CRM-12498, added condition to check valid contribution statu...
Ran the complete api v3 Contribution unit test w/o errors after applying this patch.

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* CRM-12646: Suppress the ability to edit custom data unless the user has edit rights on the contact.
  http://issues.civicrm.org/jira/browse/CRM-12646

Fix for contributions only CRM-12610

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* CRM-12510: Copy Contribution Page does not copy associated quick-config price set
  http://issues.civicrm.org/jira/browse/CRM-12510

handle global variable $language not being set, restructure code a bit

CRM-12667

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* CRM-12667: Tell a Friend causes error: "You do not have permission to access this page"
  http://issues.civicrm.org/jira/browse/CRM-12667

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* CRM-12667: Tell a Friend causes error: "You do not have permission to access this page"
  http://issues.civicrm.org/jira/browse/CRM-12667

CRM-12664 --Fix for Grant Delete notification

--fixed for CRM-12498, added condition to check valid contribution status change and throw error if invalid

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* CRM-12498: API contribution.create/update DB Error: constraint violation
  http://issues.civicrm.org/jira/browse/CRM-12498

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* CRM-12470: Creating new financial type without AR account leads to unbalanced transactions
  http://issues.civicrm.org/jira/browse/CRM-12470

CRM-12621 - Migrate tweaks