KT-658 Show types in IDEA auto assist for kotlin

idea/testData/completion/basic/FromImports.kt

@@ -0,0 +1,9 @@
+namespace Tests
+
+import java.util.*
+
+fun hello() {
+    val a = So<caret>
+}
+
+// EXIST: SortedSet, SortedMap

idea/testData/completion/basic/JavaPackage.kt

@@ -0,0 +1,6 @@
+namespace Tests
+
+class A : java.<caret>
+
+// EXIST: lang, util, io
+// ABSENT: fun, val, var, namespace

idea/testData/completion/basic/VariableClassName.kt

@@ -1,10 +1,10 @@
 open class MyClass() {
 }
 
-class A() : My<caret> {
+class A() {
     public fun test() {
         val a : MyC<caret>
     }
 }
 
-// EXIST: MyClass
+// EXIST: MyClass