CRM-12647 - CRM_Utils_Migrate - Autoformat

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - CRM_Utils_Migrate_Export - Split run() into build() and toXML()

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - CRM_Utils_Migrate - Extract constant for special delimiter

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - CRM_Utils_Migrate_Export - Extract method addMappedXMLFields()

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
Applied patch from Helen Bergin to include multiple contributions in same year in totals. Also fixed fatal error for this report in 4.3 - getOperationPair needs to be defined as a static function.
CRM-12647 - CRM_Utils_Migrate_Export - Use htmlentities

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - CRM_Utils_Migrate_Export - Cleanup

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
Merge pull request #779 from davecivicrm/CRM-12637

Applied patch from Helen Bergin to include multiple contributions in sam...
CRM-12647 - CRM_Utils_Migrate_Export - Pull out various bits of static metadata

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - CRM_Utils_Migrate_Export - Cleanup

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - Separate field-rewriting from XML encoding

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - Simplify. Separate field-rewriting from XML encoding

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
Cleanup
CRM-12647 - Fix misnamed variable

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - CRM_Utils_Migrate_Export - Extract renderKeyValueXML()

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - Separate field-rewriting from XML encoding

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM-12647 - CRM_Utils_Migrate_Export - Move XML rendering logic from fetch() to toXML()

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* CRM-12647: Customization export/import crashes on "&"
  http://issues.civicrm.org/jira/browse/CRM-12647
CRM_Utils_Migrate_Export - Rename local vars to match config vars
CRM_Utils_Migrate_Export - Rename 'map' to 'idNameMap'
CRM_Utils_Migrate_Export - Doc comment