CRM-13061, soft credits - aggregate columns, filters and stats

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* CRM-13061: Add Soft Credits to Contribution Summary Report
  http://issues.civicrm.org/jira/browse/CRM-13061
Merge pull request #1281 from deepak-srivastava/softcredits

CRM-13061, soft credits - aggregate columns, filters and stats
More robust ways to get pseudoconstant labels and names CRM-12464

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* CRM-12464: Add PseudoConstants to Schema Metadata
  http://issues.civicrm.org/jira/browse/CRM-12464
Merge pull request #1282 from colemanw/getLabel

More robust ways to get pseudoconstant labels and names CRM-12464
Update Layout.hlp

fixed duplicate id in htxt tag.