Exit from subjake if the subjake returns non zero status code. Don't exit in the compiler (required for building in Atlas to not kill the process)

Objective-J/CommonJS/lib/objective-j/compiler.js

@@ -105,7 +105,7 @@ function compileWithResolvedFlags(aFilePath, objjcFlags, gccFlags)
                             " on preprocessed line number "+e.lineNumber+"\n"+
                             "\t"+lines.slice(Math.max(0, e.lineNumber - 1 - PAD), e.lineNumber+PAD).join("\n\t"));
                         
-                    OS.exit(1);
+                    throw e;
                 }
             }
             

common.jake

@@ -203,8 +203,9 @@ global.subjake = function(/*Array<String>*/ directories, /*String*/ aTaskName)
     {
         if (FILE.isDirectory(aDirectory) && FILE.isFile(FILE.join(aDirectory, "Jakefile")))
         {
-            OS.system("cd " + aDirectory + " && " + serializedENV() + " " + ARGV[0] + " " + aTaskName);
-        //rake abort if ($? != 0)
+            var returnCode = OS.system("cd " + aDirectory + " && " + serializedENV() + " " + ARGV[0] + " " + aTaskName);
+            if (returnCode)
+                OS.exit(returnCode);
         }
         else
             print("warning: subjake missing: " + aDirectory + " (this is not necessarily an error, " + aDirectory + " may be optional)");