DOC STY: Added documentation, formatting.

procedures/query/applyIDFilter.sql

procedures/query/applyPOV.sql

procedures/query/applyRefPOV.sql

procedures/query/applyTransactionFilter.sql

procedures/query/calcDifference.sql

procedures/query/calcIntersection.sql

procedures/query/calcUnion.sql

procedures/query/cleanUpQuery.sql

procedures/query/createTmpTable.sql

procedures/query/finishSubProperty.sql

procedures/query/getChildren.sql

procedures/query/initEntity.sql

procedures/query/makeStmt.sql

procedures/retrieveEntityParents.sql