[api][doc] updated jitsu.comands.env.load function to utilize optiona…

…l appname and filename in that order\n also updated self documenting feature to reflect this

lib/jitsu/commands/env.js

@@ -328,8 +328,13 @@ env.load = function (appName, file, callback) {
   if(arguments.length) {
     var args = utile.args(arguments);
     callback = args.callback;
-    file     = args[0] || 'env.json';
-    appName  = args[1] || null;
+    appName  = args[0] || null;
+    file     = args[1] || 'env.json';
+    if (appName === null){
+      viewApp(callback, executeLoad);
+    } else{
+      viewAppByName(appName, function(){jitsu.commands.env.load(null, appName, callback);}, executeLoad);
+    }
   }
 
   function executeLoad(err, app) {
@@ -345,7 +350,7 @@ env.load = function (appName, file, callback) {
         env = JSON.parse(data);
       }
       catch (err) {
-        jitsu.log.error('Error parsing ' + file);
+        jitsu.log.error('Error parsing ' + file.yellow);
         return callback(err);
       }
 
@@ -371,13 +376,6 @@ env.load = function (appName, file, callback) {
       });
     });
   }
-
-  if (!appName) {
-    viewApp(callback, executeLoad);
-  }
-  else {
-    viewAppByName(appName, callback, executeLoad);
-  }
 };
 
 //
@@ -389,8 +387,9 @@ env.load.usage = [
   'for use with `jitsu env save`. See `jitsu help env save` for more info.',
   '',
   'jitsu env load',
-  'jitsu env load <file>',
-  'jitsu env load <file> <app>',
+  'jitsu env load [<app>]',
+  'jitsu env load [<file>]',
+  'jitsu env load [<app>] [<file>]',
 ];
 
 //