Increase deprecation level for previously deprecated API

- unsupported common exceptions
- common 'synchronized'
- jquery API
- experimental kotlin.time API
- js Math object
- DefaultAsserter constructor-like fun

js/js.translator/testData/webDemoCanvasExamples/Creatures.kt

@@ -3,6 +3,8 @@
  * You can drag'n'drop them as well as the logo. Doubleclick to add
  * more creatures but be careful. They may be watching you!
  */
+@file:Suppress("DEPRECATION_ERROR")
+
 package creatures
 
 import jquery.*

js/js.translator/testData/webDemoCanvasExamples/Fancy lines.kt

@@ -3,6 +3,7 @@ This example is based on example from html5 canvas2D docs:
   http://www.w3.org/TR/2dcontext/
 Note that only a subset of the api is supported for now.
 */
+@file:Suppress("DEPRECATION_ERROR")
 
 package fancylines
 

js/js.translator/testData/webDemoCanvasExamples/Hello, Kotlin.kt

@@ -1,6 +1,8 @@
 /*
   This shows simple text floating around.
 */
+@file:Suppress("DEPRECATION_ERROR")
+
 package hello
 
 import jquery.*

js/js.translator/testData/webDemoCanvasExamples/Traffic light.kt

@@ -2,6 +2,8 @@
  * In this example you can see a crossroads. Traffic light change color by timer,
  * but you can change it manually using controls at the right part of screen.
  */
+@file:Suppress("DEPRECATION_ERROR")
+
 package traffic
 
 import jquery.*