Change how kotlinc and tools display their version

- Display the Kotlin version in kotlin-gradle-plugin. This is needed
  because if "-version" is specified in compiler arguments, the "info"
  level of the message printed by the compiler in CLICompiler prevents
  it from being displayed by default (unless "--debug" is passed to
  Gradle).
- Display the version of JRE the compiler is running on. This will be
  helpful to diagnose Java 9 related issues in the future.
- In CLI, also display the executable name (kotlinc-jvm or kotlinc-js)

compiler/testData/integration/ant/js/version/build.log.expected

@@ -3,7 +3,7 @@ Buildfile: [TestData]/build.xml
 
 build:
 [kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
-[kotlin2js] info: Kotlin Compiler version [KotlinVersion]
+[kotlin2js] info: kotlinc-js [KotlinVersion] (JRE [JREVersion])
 
 BUILD SUCCESSFUL
 Total time: [time]