Refactor script definitions loading

Make ScriptDefinitionProvider an interface
    and provide different implementation for cli and IDEA
Rework ide extension point to a simpler interface (ScriptDefinitionContributor)
Move template loading logic into a top level function
Allow script definitions to be reloaded in IDE

compiler/daemon/src/org/jetbrains/kotlin/daemon/KotlinRemoteReplService.kt

@@ -63,7 +63,7 @@ open class KotlinJvmReplService(
 
         try {
             val cls = classloader.loadClass(templateClassName)
-            val def = KotlinScriptDefinitionFromAnnotatedTemplate(cls.kotlin, null, null, emptyMap())
+            val def = KotlinScriptDefinitionFromAnnotatedTemplate(cls.kotlin, emptyMap())
             messageCollector.report(INFO, "New script definition $templateClassName: files pattern = \"${def.scriptFilePattern}\", " +
                                           "resolver = ${def.dependencyResolver.javaClass.name}")
             return def