Support config of postProcess tool

app.js

@@ -144,6 +144,7 @@ function clientOptionsHandler(compilers, fileSources) {
         defaultCompiler: compilerProps('defaultCompiler', ''),
         compileOptions: compilerProps("options"),
         supportsBinary: !!compilerProps("supportsBinary"),
+        postProcess: compilerProps("postProcess"),
         sources: sources
     };
     var text = JSON.stringify(options);
@@ -282,7 +283,8 @@ function configuredCompilers() {
             is6g: !!props("is6g", false),
             intelAsm: props("intelAsm", ""),
             needsMulti: !!props("needsMulti", true),
-            supportsBinary: !!props("supportsBinary", true)
+            supportsBinary: !!props("supportsBinary", true),
+            postProcess: props("postProcess", "")
         });
     }));
 }

lib/compile.js

@@ -254,7 +254,7 @@ Compile.prototype.compile = function (source, compiler, options, filters) {
     var compileToAsmPromise = tempFileAndDirPromise.then(function (info) {
         var inputFilename = info.inputFilename;
         var dirPath = info.dirPath;
-        var postProcess = compilerProps("postProcess");
+        var postProcess = compilerInfo.postProcess;
         var outputFilename = path.join(dirPath, 'output.S');
         if (compilerInfo.options) {
             options = options.concat(compilerInfo.options.split(" "));