remove stdlib specific logic from core ResolveImportUtil class

python/psi-api/src/com/jetbrains/python/psi/resolve/PyCanonicalPathProvider.java

@@ -0,0 +1,15 @@
+package com.jetbrains.python.psi.resolve;
+
+import com.intellij.openapi.extensions.ExtensionPointName;
+import com.jetbrains.python.psi.impl.PyQualifiedName;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * @author yole
+ */
+public interface PyCanonicalPathProvider {
+  ExtensionPointName<PyCanonicalPathProvider> EP_NAME = ExtensionPointName.create("Pythonid.canonicalPathProvider");
+
+  @Nullable
+  PyQualifiedName getCanonicalPath(PyQualifiedName qName);
+}