Rename directories to include language. Also update files

codeql-sqlite-java/Illustrations.ql

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+/**
+ * @name Illustrations
+ * @description Illustrations of some codeql classes.
+ * @kind table
+ */
+
+import java
+import semmle.code.java.dataflow.FlowSources
+import semmle.code.java.security.SqlInjectionQuery
+import QueryInjectionFlow::PathGraph
+
+// Find starting points -- UserInput etc. -- from
+// ../ql/java/ql/src/Security/CWE/CWE-089/SqlTainted.ql
+
+// using QueryInjectionSink shows a sink.  So we're missing a source.
+
+from UserInput ui, QueryInjectionSink qsi
+select ui, qsi