'native' is a java keyword, so javac doesn't allow it as a package name component.

Renamed 'native' to 'konan'.
Moved BinaryMetadata.proto to konan/llvm where it belongs for now.

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/BinaryMetadata.proto

@@ -1,6 +1,6 @@
 
 syntax="proto2";
-package org.jetbrains.kotlin.backend;
+package org.jetbrains.kotlin.backend.konan.llvm;
 
 option java_outer_classname = "BinaryMetadata";
 
@@ -8,3 +8,4 @@ message FunMetadata {
   required string hash = 1;
   required string name = 2;
 }
+