Merge pull request #48 from dickeylth/patch-5

update component name generate method
diff --git a/src/loader.js b/src/loader.js
index b0825b4..6859389 100644
--- a/src/loader.js
+++ b/src/loader.js
@@ -220,7 +220,7 @@
   const isElement = loaderQuery.element
   const isEntry = resourceQuery.entry
   const filename = path.relative('.', resourcePath)
-  const name = isEntry ? md5(filename) :
+  const name = isEntry ? md5(fs.readFileSync(filename)) :
                           (resourceQuery.name ||
                             getNameByPath(resourcePath))