fixes dotenv not working

Author: tansengming

Gemfile

@@ -42,7 +42,7 @@ end
 group :development, :test do
   gem "awesome_print", :require => "ap"
   gem 'tapp'
-  gem 'dotenv'
+  gem 'dotenv-rails'
 end
 
 group :assets do

Gemfile.lock

@@ -91,6 +91,8 @@ GEM
       warden (~> 1.2.1)
     diff-lcs (1.2.1)
     dotenv (0.8.0)
+    dotenv-rails (0.8.0)
+      dotenv (= 0.8.0)
     erubis (2.7.0)
     eventmachine (1.0.3)
     excon (0.16.10)
@@ -333,7 +335,7 @@ DEPENDENCIES
   binding_of_caller
   bullet
   coffee-rails
-  dotenv
+  dotenv-rails
   factory_girl_rails
   flog
   foreman