Merge pull request #111 from colemanw/7.x-master

CRM-14106 - Replace CRM_Utils_Array::value with !empty
CRM-14096 add check for civicrm-core dir in layout
CRM-14142 - 'Last modified' in Views

Adds the 'last modified' date of a contact to the Views integration: as
a field and sortable filter.
Merge pull request #114 from JKingsnorth/CRM-14142

CRM-14142 - 'Last modified' in Views
Merge pull request #112 from eileenmcnaughton/7.x-4.4

CRM-14096 add check for civicrm-core dir in layout
Merge remote-tracking branch 'upstream/7.x-4.4' into 7.x-4.4-7.x-master-2014-02-03-14-48-08
fixes for CRM-12956, bug in calculating custom field id

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* CRM-12956: CiviCRM custom fields (with selects) in Views are a mess
  http://issues.civicrm.org/jira/browse/CRM-12956
Merge pull request #115 from kurund/CRM-12956

fixes for CRM-12956, bug in calculating custom field id
Merge remote-tracking branch 'upstream/7.x-4.4' into 7.x-4.4-7.x-master-2014-02-05-17-16-05
CRM-13970 - Fix admin option links
CRM-13929 - Centralize and simplify radio clear widget