修复一些bug

小修复。

修复安装报错问题

修复安装时候报错问题，报错信息如下：

$ ember install wildember  
Installed packages for tooling via npm.
installing wildember
  identical app/adapters/application.js
  install bower package wildember
Package wildember not found
Error: Package wildember not found
    at createError (/Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/util/createError.js:4:15)
    at /Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/core/resolverFactory.js:206:23
    at _fulfilled (/Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/node_modules/q/q.js:834:54)
    at self.promiseDispatch.done (/Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/node_modules/q/q.js:863:30)
    at Promise.promise.promiseDispatch (/Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/node_modules/q/q.js:796:13)
    at /Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/node_modules/q/q.js:604:44
    at runSingle (/Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/node_modules/q/q.js:137:13)
    at flush (/Users/ubuntuvim/codes/emberjs/test-app/node_modules/ember-cli/node_modules/bower/lib/node_modules/q/q.js:125:13)
    at _combinedTickCallback (node.js:376:9)
    at process._tickCallback (node.js:407:11)

更新blueprints目录下文件，移除blueprint/wildember，更新/index.js。修复了安装报错问题。

第一个可用版本

经过大半个月的修改、完善，今天终于迎来了第一个可用的版本，欢迎您使用wildember。相信wildember能给你提供不一样与firebase的服务。