Corrected VaultIndexInit to index families file parameters (refs #3248)

Backported from #2229.
Corrected display of empty money's attribute with format (refs #3964)
Merge pull request #892 from eguaj/3.1-A3248

Corrected VaultIndexInit to index families file parameters (closes #3248)
Merge pull request #894 from eguaj/3.1-A3964

Corrected display of empty money's attribute with format (closes #3964)
Corrected constraint execution on single line docid columns (refs #4059)
Merge pull request #899 from eguaj/3.1-A4059

Corrected constraint execution on single line docid columns (closes #4059)