Swift: Improve metadata.

Author: geoffw0

swift/ql/src/queries/Summary/FlowSources.ql

@@ -3,8 +3,10 @@
  * @description List all flow sources found in the database. Flow sources
  *              indicate data that originates from an untrusted source, such
  *              as as untrusted remote data.
- * @kind table
+ * @kind problem
+ * @problem.severity info
  * @id swift/summary/flow-sources
+ * @tags summary
  */
 
 import swift

swift/ql/src/queries/Summary/SensitiveExprs.ql

@@ -4,8 +4,10 @@
  *              Sensitive expressions are expressions that have been
  *              identified as potentially containing data that should not be
  *              leaked to an attacker.
- * @kind table
+ * @kind problem
+ * @problem.severity info
  * @id swift/summary/sensitive-expressions
+ * @tags summary
  */
 
 import swift

swift/ql/src/queries/Summary/SummaryStats.ql

@@ -5,6 +5,7 @@
  *              features interesting to analysis that have been found.
  * @kind table
  * @id swift/summary/summary-statistics
+ * @tags summary
  */
 
 import swift