add coveralls results to gitignore and modify readme

.gitignore

@@ -10,3 +10,4 @@ spec/dummy/public/uploads/blogament/post/image/*
 tmp/uploads/blogament/post/image/*
 tmp/uploads/tmp/*
 tmp/rspec.txt
+coverage/.resultset.json

README.md

@@ -51,7 +51,7 @@ on it, and set up the post's relation.
 
 Finally, Blogament needs to know who can create posts and who can't.
 In order for Blogament to place nice with your current authentication
-implementation, you'll need to impelment the following on you user model:
+implementation, you'll need to implement the following on you user model:
 
 ```ruby
 def can_blog?

coverage/.resultset.json

@@ -214,6 +214,6 @@
         null
       ]
     },
-    "timestamp": 1402972968
+    "timestamp": 1402975557
   }
 }