Escaping quotes in live-templates (KT-2387)

#KT-2387 Fixed

idea/idea-live-templates/testData/soutv.exp.kt

@@ -1,5 +1,5 @@
 fun main(args : Array<String>) {
     val x = 5
     val y = "str"
-    println("y = ${y}")<caret>
+    println("y.plus(\"test\") = ${y.plus("test")}")<caret>
 }

idea/idea-live-templates/tests/org/jetbrains/kotlin/idea/liveTemplates/LiveTemplatesTest.kt

@@ -80,7 +80,7 @@ class LiveTemplatesTest : KotlinLightCodeInsightFixtureTestCase() {
         start()
 
         assertStringItems("DEFAULT_BUFFER_SIZE", "args", "x", "y")
-        typeAndNextTab("y")
+        typeAndNextTab("y.plus(\"test\")")
 
         checkAfter()
     }

idea/resources/liveTemplates/Kotlin.xml

@@ -43,7 +43,7 @@
               value="println("$EXPR_COPY$ = $DOLLAR${$EXPR$}")">
         <variable alwaysStopAt="false" defaultValue="&quot;$&quot;" expression="" name="DOLLAR" />
         <variable alwaysStopAt="true" defaultValue="&quot;expr&quot;" expression="kotlinVariable()" name="EXPR" />
-        <variable alwaysStopAt="false" defaultValue="" expression="EXPR" name="EXPR_COPY" />
+        <variable alwaysStopAt="false" defaultValue="" expression="escapeString(EXPR)" name="EXPR_COPY" />
         <context>
             <option name="KOTLIN_STATEMENT" value="true" />
         </context>