Python: CG trace: Restructure QL code

python/tools/recorded-call-graph-metrics/ql/lib/RecordedCalls.qll

@@ -1,7 +1,7 @@
 import python
 import semmle.python.types.Builtins
 import semmle.python.objects.Callables
-import BytecodeExpr
+import lib.BytecodeExpr
 
 /** The XML data for a recorded call (includes all data). */
 class XMLRecordedCall extends XMLElement {

python/tools/recorded-call-graph-metrics/ql/query/InternalMetrics.ql

@@ -3,7 +3,7 @@
  * See Metrics.ql for call-graph quality metrics.
  */
 
-import RecordedCalls
+import lib.RecordedCalls
 
 from string text, float number, float ratio
 where

python/tools/recorded-call-graph-metrics/ql/query/Metrics.ql

@@ -1,4 +1,4 @@
-import RecordedCalls
+import lib.RecordedCalls
 
 // colum i is just used for sorting
 from string text, float number, float ratio, int i

python/tools/recorded-call-graph-metrics/ql/query/PointsToFound.ql

@@ -1,4 +1,4 @@
-import RecordedCalls
+import lib.RecordedCalls
 
 from PointsToBasedCallGraph::ResolvableRecordedCall rc
 select rc.getACall(), "-->", rc.getCalleeValue()

python/tools/recorded-call-graph-metrics/ql/query/PointsToNotFound.ql

@@ -1,4 +1,4 @@
-import RecordedCalls
+import lib.RecordedCalls
 
 from IdentifiedRecordedCall rc
 where not rc instanceof PointsToBasedCallGraph::ResolvableRecordedCall

python/tools/recorded-call-graph-metrics/ql/query/UnidentifiedRecordedCalls.ql

@@ -1,4 +1,4 @@
-import RecordedCalls
+import lib.RecordedCalls
 
 from UnidentifiedRecordedCall rc, XMLCall xml_call
 select "Could not uniquely identify this recorded call (either call or callee was not uniquely identified)",