Crm 13179 allow users with permission to see other users and either access civicrm or access ajax api

See comment for remaining unresolved issues:
http://issues.civicrm.org/jira/browse/CRM-13179?focusedCommentId=52614&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-52614

While the logic of the change should still stand (getquick is already permissioned at the acl level) this change is not required for this PR

CRM-13225 related fix for Membership Import during update

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* CRM-13225: Activity/Participant/Membership import is broken due to import resturcturing
  http://issues.civicrm.org/jira/browse/CRM-13225

Fix import classes CRM-11254/CRM-13225

Fix contact type search builder CRM-13242

Crm 13176

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* CRM-13225: Activity/Participant/Membership import is broken due to import resturcturing
  http://issues.civicrm.org/jira/browse/CRM-13225
* CRM-11254: Create parent class for import
  http://issues.civicrm.org/jira/browse/CRM-11254

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* CRM-13225: Activity/Participant/Membership import is broken due to import resturcturing
  http://issues.civicrm.org/jira/browse/CRM-13225

CRMDOC - Change various CRMDOCxx links to plain CRMDOC

CRM-13179 per Dave's comment I agree that this is a bogus error. Removing this check means that on a mixed profile (e.g. event) the correct data for the relevant contact is returned which seems appropriate

CRM-12845 - Add unit tests for CRM_Utils_Migrate_*

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* CRM-12845: CRM_Utils_Migrate - Handle CustomGroup subtypes
  http://issues.civicrm.org/jira/browse/CRM-12845

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* CRM-12845: CRM_Utils_Migrate - Handle CustomGroup subtypes
  http://issues.civicrm.org/jira/browse/CRM-12845

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* CRM-12845: CRM_Utils_Migrate - Handle CustomGroup subtypes
  http://issues.civicrm.org/jira/browse/CRM-12845

Most of the source comments with documentation links should reflect current version.

For the "incremental upgrade" messages, I left the CRMDOCxx URLs in tact
because these messages could actually be version specific.

CRM-13217 typo fixes

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* CRM-13217: UI help wrong text
  http://issues.civicrm.org/jira/browse/CRM-13217

CRM-12826 - MessageTemplatesTest and examples

CRM-13218 Total Fee on first page adjusts based on number of participant...