make method return fix: make available for constructor calls; java 8 specific tests; simplify inference

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/methodReturn8/afterInferFromArgsConstructor.java

@@ -0,0 +1,8 @@
+// "Make 'bar' return 'Foo'" "true"
+public class Foo {
+  public Foo(int i) {}
+
+  Foo bar() {
+    return new Foo("");
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/methodReturn8/beforeInferFromArgsConstructor.java

@@ -0,0 +1,8 @@
+// "Make 'bar' return 'Foo'" "true"
+public class Foo {
+  public Foo(int i) {}
+
+  String bar() {
+    return new Foo<caret>("");
+  }
+}