Rework BuiltInsSerializer

BuiltInsSerializer will be distributed with Kotlin compiler from now on. This
will allow to serialize binary data of built-ins on 'ant dist', as opposed to
storing all *.kotlin_class files in the repository: ant dist will just invoke
this serializer from bootstrap-compiler.jar

build.xml

@@ -73,6 +73,7 @@
         <include name="core/util.runtime/src"/>
         <!--<include name="j2k/src"/>-->
         <include name="compiler/jet.as.java.psi/src"/>
+        <include name="compiler/builtins-serializer"/>
 
         <include name="js/js.translator/src"/>
     </dirset>
@@ -92,6 +93,7 @@
         <include name="util/**"/>
         <include name="util.runtime/**"/>
         <include name="jet.as.java.psi/**"/>
+        <include name="builtins-serializer/**"/>
 
         <include name="js.translator/**"/>
     </patternset>
@@ -153,6 +155,7 @@
             <fileset dir="compiler/util/src"/>
             <fileset dir="core/util.runtime/src"/>
             <fileset dir="compiler/jet.as.java.psi/src"/>
+            <fileset dir="compiler/builtins-serializer"/>
             <fileset dir="js/js.translator/src"/>
             <zipfileset file="${kotlin-home}/build.txt" prefix="META-INF"/>