Remove need to use --load-plugins

Add pylint_quotes to .pylintrc so that it's invoked even without
`--load-plugins pylint_quotes`

Author: mxmeinhold

.pylintrc

@@ -1,6 +1,7 @@
 [MASTER]
 ignore = ,input
 persistent = yes
+load-plugins = pylint_quotes
 
 [MESSAGES CONTROL]
 disable =

.travis.yml

@@ -5,4 +5,4 @@ python:
 install:
   - "pip install -r requirements.txt"
 script:
-  - "pylint --load-plugins pylint_quotes selections"
+  - "pylint selections"

README.md

@@ -36,7 +36,7 @@ Please run pylint locally before making your PR, it will help save you some time
 
 To run pylint use this command:
 ```bash
-pylint --load-plugins pylint_quotes selections
+pylint selections
 ```
 
 ## Administration