change IPC module(Raw buffer -> Socket) & set window behaviour for Windows

lib/dataStore.js

@@ -13,14 +13,22 @@ function getLocalPath () {
 }
 
 function forgeInitialRepositories () {
-  return [{
+  let defaultRepo = {
     key: keygen(),
     name: 'local',
     type: 'userData',
     user: {
-      name: remote.getGlobal('process').env.USER
+      name: 'New user'
     }
-  }]
+  }
+
+  if (process.platform === 'darwin') {
+    defaultRepo.user.name = remote.process.env.USER
+  } else if (process.platform === 'win32') {
+    defaultRepo.user.name = remote.process.env.USERNAME
+  }
+
+  return [defaultRepo]
 }
 
 function getRepositories () {