CRM-14021 respect for .extra.hlp files & for alterations in help page via pagerun hook

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* CRM-14021: CiviCRM should render .extra.hlp files
  http://issues.civicrm.org/jira/browse/CRM-14021
use create_date and modified_date instead of civicrm_log table CRM-12753

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* CRM-12753: Searching for contacts by date created
  http://issues.civicrm.org/jira/browse/CRM-12753
use inner join and fixed label, CRM-12753

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* CRM-12753: Searching for contacts by date created
  http://issues.civicrm.org/jira/browse/CRM-12753
added js to change label, CRM-12753

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* CRM-12753: Searching for contacts by date created
  http://issues.civicrm.org/jira/browse/CRM-12753
CRM-13606 - Include / Exclude custom Search does not work properly

http://issues.civicrm.org/jira/browse/CRM-13606
CRM-12753, change labels according to selected options

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* CRM-12753: Searching for contacts by date created
  http://issues.civicrm.org/jira/browse/CRM-12753
CRM-14043 - cid=0 contribution form giving contribution to logged in user

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* CRM-14043: cid=0 contribution form giving contribution to logged in user
  http://issues.civicrm.org/jira/browse/CRM-14043
CRM-14037 fix -  Class 'CRM_Activity_BAO_Contact' not found	Activity.php	/civicrm/CRM/Activity/BAO	line 2366	DLTK Problem

http://issues.civicrm.org/jira/browse/CRM-14037
CRM-14047 - add clarification text to Total Fee(s) display

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* CRM-14047: Online event registration: add text to clarify the meaning of the Total Fee(s) calculated value
  http://issues.civicrm.org/jira/browse/CRM-14047
CRM-14036_fix
CRM-14501 - Fix CRM_Contact_BAO_Relationship::getPermissionedContacts so it can handle a list of one or more relationshipTypeIDs.

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* CRM-14501:
  http://issues.civicrm.org/jira/browse/CRM-14501
fix the broken link to view all the contributions for a contact, CRM-12506

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* CRM-12506: Contact Contribution tab will not show more than 50 contributions
  http://issues.civicrm.org/jira/browse/CRM-12506
Additional change needed to get Country column exported for merge into household.
Merge pull request #2300 from davecivicrm/CRM-13995

CRM -13995 - Additional change needed to get Country column exported for merge into h...
CRM-13995 - Add is_object check to prevent notices.

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* CRM-13995: contact export when merging households: some household fields missing
  http://issues.civicrm.org/jira/browse/CRM-13995
Merge pull request #2301 from davecivicrm/CRM-13995a

CRM-13995 - Add is_object check to prevent notices.
CRM-12753 - Add Created date to contact view footer.

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* CRM-12753: Searching for contacts by date created
  http://issues.civicrm.org/jira/browse/CRM-12753
Merge pull request #2305 from davecivicrm/CRM-12753a

CRM-12753 - Add Created date to contact view footer.
Merge pull request #2243 from eileenmcnaughton/CRM-14021

CRM-14021 respect for .extra.hlp files & for alterations in help page vi...
Merge pull request #2263 from kurund/CRM-12753

CRM-12753, advanced search, change log fixes