CRM-13738 fix - Activity Report fails if filtering on any contact

http://issues.civicrm.org/jira/browse/CRM-13738
CRM-13621 - suppress entryURL for snippet forms

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* CRM-13621: Handle invalid session errors for public pages in a nicer manner
  http://issues.civicrm.org/jira/browse/CRM-13621
CRM-13714 - use joomla 3.x to render error template - title still buggy

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* CRM-13714: Display fatal error for Joomla 3.x
  http://issues.civicrm.org/jira/browse/CRM-13714
Merge pull request #1980 from monishdeb/CRM-13738

CRM-13738 fix - Activity Report fails if filtering on any contact
Merge pull request #1984 from dlobo/CRM-13621

CRM-13621 - suppress entryURL for snippet forms
patched fix for CRM-13770

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* CRM-13770: Recurring Paypal Contributions for merged contacts are being recorded against the wrong contact
  http://issues.civicrm.org/jira/browse/CRM-13770
Merge pull request #1995 from kurund/CRM-13770

patched fix for CRM-13770
applied patch for CRM-13769

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* CRM-13769: Receive date time field on membership page should prefill with current time
  http://issues.civicrm.org/jira/browse/CRM-13769
Merge pull request #1996 from kurund/CRM-13769

applied patch for CRM-13769
Merge pull request #1986 from dlobo/CRM-13714

CRM-13714 - use joomla 3.x to render error template - title still buggy